Etleneum Alternatives

Moonriver is a companion network to Moonbeam and provides a permanently incentivized canary network. New code ships to Moonriver first, where it can be tested and verified under real economic conditions. Once proven, the same code ships to Moonbeam on Polkadot. Quickly deploy your new or existing Solidity DApps to the Moonriver parachain — with little or no modifications — and gain easy access to the Kusama network. By mirroring Ethereum’s Web3 RPC, accounts, keys, subscriptions, logs, and more, Moonriver minimizes the changes required to run existing Solidity smart contracts on the network. Ethereum projects can simply replicate their DApp and deploy it to Moonbeam using Hardhat, Truffle, Remix, and other popular deployment tools. Quickly deploy your new or existing Solidity DApps to the Moonriver parachain — with little or no modifications — and gain easy access to the Kusama network.

Build on Avalanche. Build without limits. Avalanche is an open, programmable platform for decentralized finance applications. Launch Ethereum dapps that confirm transactions instantly and process thousands of transactions per second, far beyond any decentralized blockchain platform today. Deploy blockchains that fit your own application needs. Build your own virtual machine and dictate exactly how the blockchain should operate. Stake, or lock up, your AVAX to help process transactions and further secure the platform–providing security guarantees well-above the 51% standard. You probably have the hardware required to join the platform. Avalanche is Solidity-compatible. All of your favorite tools like Remix, Truffle, and Tenderly work out of the box. Deploying smart contracts on Avalanche cost just a tenth of what they cost on Ethereum. High gas fees, front-running, and other adverse effects of slow smart contract blockchains are now a thing of the past.

Reliably share trusted data with multiple parties using Oracle Blockchain Platform Cloud Service. The solution offers ready-to-use code for running smart contracts and maintaining a tamper-evident blockchain—built on the industry’s leading open source Hyperledger Fabric blockchain platform. Easily add or remove resources to meet changes in demand and scale the compute capacity—up or down—to meet evolving needs. Customers are charged only for usage. Multiple participants can contribute to the blockchain network with the easy-to-configure RAFT consensus algorithm. The fine-grained access control functionality allows access to each piece of large datasets stored in the cloud. With this feature, smart contract developers can manage permissions’ access to easily define identities, groups, and resources. With just a few clicks, set up a permissioned blockchain—no coding required. There’s no need to manually provision hardware, software, manage certificates, or configure network components.

A decentralized oracle network. Tellor is a permissionless community of token holders, data providers, and validators. Together, we cryptographically secure putting real world data on-chain. It takes 3 lines of code to integrate with Tellor for reliable, trustless data in your smart contracts.

65% of The Value of Blockchain Tokens is Inaccessible to Decentralized Applications. That changes now. Introducing Flare: The world's first Turing complete FBA network. Scalable and doesn’t base safety on a native token. No risk of safety degradation from competing uses of native token. Integrates Ethereum Virtual Machine. Deep pool of developer talent and easier integration of existing projects. Low transaction costs. Applications can scale without users incurring burdensome costs. Flare (FLR): Flare’s native token. Collateral for the trustless issuance of assets from non-Turing complete chains. Starting with XRP, XLM, Litecoin and Dogecoin. Contributes to the Flare time series oracle. Gain yield for securing the price function on Flare. Contributes to network governance. F-Assets: Bringing Turing complete smart contracts to each integrated chain. Trustlessly originated from and settled back to each integrated network.

Band Protocol is a cross-chain data oracle platform that aggregates and connects real-world data and APIs to smart contracts. Blockchains are great at immutable storage and deterministic, verifiable computations. However, they cannot access trusted real-world information available outside their networks. Band Protocol enhances smart contract functionalities by granting them access to reliable data without any central points of failure. Decentralized Finance applications need price feeds on token swap and loan collateralization process. With Band Protocol’s built-in price oracle, developers can build DeFi with an absolute peace of mind that the price feeds they’re using are robust and tamper-proof. BandChain is designed to be compatible with all smart contract platforms and blockchain development frameworks. In a trustless and decentralized manner, BandChain does all the heavy lifting jobs of pulling data from external sources, aggregating, and packaging them.

A Proof-of-Stake chain utilizing secure JavaScript smart contracts to rapidly build and deploy DeFi. Save time by using our pre-built smart contract components and dapps. They’re secure, composable, and let you get your project out the door pronto. Agoric offers a library of reusable, composable components coded by experienced community members just like you. Use familiar tooling to build smart contracts in secure JavaScript. As you grow, be confident your hiring pool of experienced developers won't run dry! By eliminating categories of complex security bugs, Agoric provides builders with a safer environment to quickly harden your contracts. We’ve been working in smart contracts for decades, since long before it was called a blockchain. Agoric was founded on open-source principles optimized for a booming, collaborative, public economy. Agoric components help keep your focus on building your application, not on complex protocol integrations and third-party code.

No need to rewrite or reconfigure your smart contracts. Moonbeam is much more than just an EVM implementation: it’s a highly specialized Layer 1.5 chain that mirrors Ethereum’s Web3 RPC, accounts, keys, subscriptions, logs, and more. The Moonbeam platform extends the base Ethereum feature set with additional features such as on-chain governance, staking, and cross-chain integrations. Address segments of your market that are out of reach on Ethereum due to gas prices. Enjoy a “first mover” advantage by deploying early to Polkadot’s rapidly expanding parachain ecosystem. Built-in integrations for assets like DOT and ERC-20s, and infrastructure services like Chainlink and The Graph. Moonbeam is much more than just an EVM implementation: it’s a highly specialized Layer 1 chain that mirrors Ethereum’s Web3 RPC, accounts, keys, subscriptions, logs, and more. The Moonbeam platform extends the base Ethereum feature set with additional features such as on-chain governance.

Anchor Protocol allows Terra stablecoin deposits to earn stable yield, powered by block rewards of leading proof-of-stake blockchains. Terra stablecoins offer instant settlements, low fees and seamless cross-border exchange - loved by millions of users and merchants. Mirror Protocol allows the creation of fungible assets, “synthetics”, that track the price of real world assets. Mirror synthetics are intended to be used as key building blocks in smart contracts, and to bring the world’s assets to the blockchain. Build smart contracts in Rust, Go, or AssemblyScript. Run on multiple chains, connected by the Cosmos IBC. Use Terra stablecoins, onchain swaps, layer 1 oracles as primitives. Expose dApp userbases to Terra's payment services in a permissionless fashion. Terra aims to make its stablecoins available to every developer on every blockchain. Now live on Ethereum and Solana, and coming to more soon.

Scale your DApp to Polkadot with Acala, an Ethereum-compatible smart contract platform optimized for DeFi. Acala is the decentralized finance network and liquidity hub of Polkadot. It’s a layer-1 smart contract platform that’s scalable, Ethereum-compatible, and optimized for DeFi with built-in liquidity and ready-made financial applications. With its trustless exchange, decentralized stablecoin (aUSD), DOT Liquid Staking (LDOT), and EVM+, Acala lets developers access the best of Ethereum and the full power of substrate. Access DOT-based assets and derivatives, Polkadot-native decentralized stablecoin, Polkadot ecosystem assets, and cross-chain assets from Bitcoin, Ethereum and beyond. Acala’s chain is customized for DeFi and can continue to upgrade without forks to integrate new features requested from developers. For example, on-chain ‘keepers’ automate protocol execution to better manage risks and improve user experience, or transaction fees payable with virtually any token.

Edgeware is a platform for the next generation of decentralized applications. On Edgeware, Ethereum developers can deploy Solidity/EVM smart contracts with few or no changes, while new developers can get started with Rust and WebAssembly. Builders and organizers can find a place in one of Edgeware’s many collectives funded by the on-chain treasury to expand the network and explore new ideas. The treasury and chain are governed by a fairly-launched, widely distributed set of stakeholders established during the lockdrop, one of the largest Ethereum token generation events in 2018. With Edgeware you own your identity, control your data and can engage in the community using your real name or as an anonymous contributor. As you contribute you can develop a reputation through a range of achievements that attribute value to your profile and signal your value to the community.

Summon our team of security experts to verify your system works as intended with the highest level of scrutiny. Track issues and resolutions, and interact directly with auditors for faster and more efficient communication. Automatic code analysis for differences, vulnerabilities, improvements, gas costs, and test runs. Powered by machine learning intelligence and state-of-the-art tools. Develop using security best practices, community-vetted libraries, and the most commonly adopted ERC standards. Test, execute, and verify deployments and upgrades across chains securely, with adding just 5 lines of code to your existing Hardhat (and soon Foundry) configuration. Gain full visibility into your smart contracts' risks and behaviors. Detect threats, get alerts on threats and anomalies, and automatically respond and resolve issues.

zkSync is Ethereum’s most user-centric ZK rollup. Unlike any other scaling approach, ZK rollup has no upper bound on the value it can securely handle in L2. Unlike optimistic rollups, all assets can be moved capital-efficiently and fast between ZK rollup and L1. zkSync has the lowest real tx costs across all existing and planned rollups. zkSync also supports meta-transactions, instant confirmations with economic finality, low-cost privacy, and more. Ease and fun of development are at the core of zkSync design. Integrate payments and atomic swaps in a few lines of code. Develop type-safe, functional style smart contracts on Zinc: a Rust-based framework. Deploy your existing EVM codebase with minimum modifications.

Ethereum is the community-run technology powering the cryptocurrency, ether (ETH) and thousands of decentralized applications. Ethereum is a technology that's home to digital money, global payments, and applications. The community has built a booming digital economy, bold new ways for creators to earn online, and so much more. It's open to everyone, wherever you are in the world – all you need is the internet. Today, billions of people can’t open bank accounts, others have their payments blocked. Ethereum's decentralized finance (DeFi) system never sleeps or discriminates. With just an internet connection, you can send, receive, borrow, earn interest, and even stream funds anywhere in the world. Today, we gain access to 'free' internet services by giving up control of our personal data. Ethereum services are open by default – you just need a wallet. Stake your ETH to become an Ethereum validator.

End-to-end observability platform to help you gain insights, secure assets and troubleshoot transactions for your decentralized applications. Use our type-safe, easy-to-use yet powerful SDK to collect and transform data based on smart contracts' events, transactions, traces, and states. Collected data are versioned for fast and easy iteration. Build low-code, real-time dashboards in seconds with powerful transformation and aggregation functions. Visualize metrics and easily zoom in and out at different timespan. Set up real-time alerts to notify your team via Slack, Telegram, Email and webhook so you can react quickly to critical events. Emit structured logs that are searchable and can be referenced from real-time dashboards. Sentio's mission is to accelerate DApp proliferation by bringing the best and battle-tested developer tools, infrastructure and philosophy to the crypto world. Leave your email to receive updates about our launch and gain early access to our beta release.

Write Ethereum-compatible smart contracts in popular programming languages, & run them much faster, on Substrate. A decentralized open source business model funded by developer treasuries on participating blockchains. All existing Ethereum smart contracts work on ParaState’s Ewasm VM (Pallet SSVM) without any change. ParaState expands the developer ecosystem by supporting 20+ programming languages to create Ethereum-compatible smart contracts. Examples include generic programming languages such as Solidity, Fe, Rust, and JavaScript, and domain-specific languages (DSLs) such as MOVE, DeepSEA, and Marlowe. Substrate-based blockchains, such as Polkadot parachains, already enjoy much higher TPS (transactions per second) than Ethereum. For a smart contract platform, compute performance is more important than TPS throughput. Try deploying smart contracts on ParaState.

Truebit is a blockchain enhancement which enables smart contracts to securely perform complex computations in standard programming languages at reduced gas costs. While smart contracts can perform small computations correctly, large computation tasks pose security risks for blockchains. Truebit counteracts this shortcoming via a trustless, retrofitting oracle which correctly performs computational tasks. Any smart contract can issue a computation task to this oracle in the form of WebAssembly bytecode, while anonymous “miners” receive rewards for correctly solving the task. The oracle’s protocol guarantees correctness in two layers: a unanimous consensus layer where anyone can object to faulty solutions, and an on-chain mechanism which incentivizes participation and ensures fair remuneration. These components formally manifest themselves through a combination of novel, off-chain architecture and on-chain smart contracts.

A decentralized peer to peer work contract or payroll decentralized application. There are currently two kinds of pacts that can be made using ChainPact - Gig pact and Proposal Pact. Gig Pact enables anyone to create a freelancing agreement or employment contract on the blockchain. This is a time based contract, where the employer pays the agreed upon payment at agreed upon intervals. The contract acts as an escrow smart contract for the payment. Further, a fundraiser or a kickstarter type campaign on blockchain can be created using the Proposal pact smart contract. It allows the creator to specify a certain voting start time and duration. So contributors can vote at a later date whether to disburse the collected funds to the creator's chosen account or somewhere else (like refunded back to the contributors)

Connect your smart contract to the outside world. Chainlink's decentralized oracle network provides reliable, tamper-proof inputs and outputs for complex smart contracts on any blockchain. Start building your universally connected smart contract. Use decentralization, trusted nodes, premium data, and cryptographic proofs to connect highly accurate and available data/APIs to any smart contract. Build on a flexible framework that can retrieve data from any API, connect with your existing systems, and integrate with any blockchain, now and in the future. Integrate battle-hardened and time-tested oracle solutions that secure billions of dollars in value for market-leading blockchain projects. Independently monitor and verify Chainlink’s open-source code, the performance of its oracle networks, and the quality of individual node operators.

Clarity brings smart contracts to Bitcoin. It is a decidable language, meaning you can know, with certainty, from the code itself what the program will do. Clarity is interpreted (not compiled) & the source code is published on the blockchain. Clarity gives developers a safe way to build complex smart contracts for the world's most secure blockchain. The Clarity language uses precise and unambiguous syntax that allows developers to predict exactly how their contracts will be executed. The Clarity language allows users to supply their own conditions for transactions that ensure that a contract may never unexpectedly transfer a token owned by a user. Contracts written in Clarity are broadcasted on the blockchain exactly as they are written by developers. This ensures that the code developers wrote, analyzed, and tested, is exactly what gets executed.

Vyper is a contract-oriented, pythonic programming language that targets the Ethereum Virtual Machine (EVM). Security: It should be possible and natural to build secure smart-contracts in Vyper. Language and compiler simplicity: The language and the compiler implementation should strive to be simple. Auditability: Vyper code should be maximally human-readable. Furthermore, it should be maximally difficult to write misleading code. Simplicity for the reader is more important than simplicity for the writer, and simplicity for readers with low prior experience with Vyper (and low prior experience with programming in general) is particularly important.

Bitcoin Lightning Network. Instant Payments. Lightning-fast blockchain payments without worrying about block confirmation times. Security is enforced by blockchain smart-contracts without creating a on-blockchain transaction for individual payments. Payment speed measured in milliseconds to seconds. Scalability. Capable of millions to billions of transactions per second across the network. Capacity blows away legacy payment rails by many orders of magnitude. Attaching payment per action/click is now possible without custodians. Low Cost. By transacting and settling off-blockchain, the Lightning Network allows for exceptionally low fees, which allows for emerging use cases such as instant micropayments. Cross Blockchains. Cross-chain atomic swaps can occur off-chain instantly with heterogeneous blockchain consensus rules. So long as the chains can support the same cryptographic hash function, it is possible to make transactions across blockchains.

Powering solutions that promote trust, transparency, and business on-chain. Unlock the boundless potential of smart contracts with a blockchain-based legal agreement solution designed to facilitate the signing, management, and downstream financial mechanisms of legal agreements. Automated condition-based payments with smart escrow contracts. API's to surface IP agreements with assets, redefining asset value perception. On-chain condition-based NFT, digital asset/land rentals in-game. A single pane of glass for collections, holders, and businesses to read, match, translate, and surface intellectual property agreements in real-time, with alerts on agreement actions. A suite of e-signature, contract management solutions empowering trust, security, automation, and choice of transparency alongside anonymity, to legally binding contracts on the blockchain. Shape the future of electronic agreements, secured by the immutability of the blockchain.

Create powerful decentralized applications with API3’s decentrally governed and quantifiably secure data feeds. API3 data feeds, dAPIs, aggregate data from first-party oracles, operated by some of the world’s premier API providers. Decentralized, trust-minimized and transparent governance. First-party oracles instead of third-party middlemen. Users insured against data feed malfunctions. Real-world data for any smart contract platform. API3 data feeds are governed by an open DAO of stakeholders, industry experts and project partners. This allows dAPIs to be operated with maximal transparency, minimal required trust in centralized operators, and no centralized attack surfaces. API token holders can take a direct part in governing the project by staking API3 tokens into the API3 insurance staking contract, which grants them shares in the API3 DAO.

The Truffle Suite gets developers from idea to dapp as comfortably as possible. Truffle is a world class development environment, testing framework and asset pipeline for blockchains using the Ethereum Virtual Machine (EVM), aiming to make life as a developer easier. Ganache is a one-click personal blockchain for Ethereum development you can use to deploy contracts, develop your applications, and run tests. It is available as both a desktop application as well as a command-line tool (formerly known as the TestRPC). Ganache is available for Windows, Mac, and Linux. And drizzle provides a collection of front-end libraries that make writing dapp front-ends easier and more predictable. The core of Drizzle is based on a Redux store, so you have access to the spectacular development tools around Redux. We take care of synchronizing your contract data, transaction data and more.

SIMBA Chain enables organizations to monetize and unlock the hidden value of their physical and digital assets through Smart Contracts and Non-Fungible Tokens (NFTs). Streamlined User Interfaces, APIs Building Data Relationships, Sustainable Blockchain Applications, and NFT Marketplaces. SIMBA Chain’s unique approach enables you to take disorganized critical data and organize it using drag and drop graph-based UIs to create relationships and secure it using the non-repudiability of the blockchain. Using SIMBA Chain’s easy to use Smart Contract Designer UI, you can specify relationships between your digital assets to make querying more intuitive and efficient. Smart Contracts and APIs are automatically generated. SIMBA provides a generic API to multiple blockchain systems so the system does not have a dependency on a single blockchain or distributed ledger technology. SIMBA Chain supports Ethereum, Quorum, Stellar, RSK, Binance, Ava Labs Avalanche, Hyperledger Fabric, and more.

The new scalability stack for Ethereum. Instant transactions and scalable smart contracts. Optimism is a Public Benefit Corporation (PBC): a for-profit corporation intended to produce a public benefit and operate in a responsible and sustainable manner. This means that we are obligated to balance the pecuniary interests of our stockholders with the best interests of those materially affected by our conduct, as well as a specific "public benefit charter" we incorporated with. The specific public benefit purpose of the Company is to enhance and enshrine fair access to public goods on the internet through the development of open source software. This charter represents our pledge to the Ethereum community to uphold its values by producing infrastructure which promotes the growth and sustainability of an ecosystem of public goods.

Comprehensive Ethereum developer platform for real-time monitoring, alerting, debugging, and simulating Smart Contracts. Sort and group transactions by any parameter you want and make it easier to explore and analyze robust data. Inspect the transaction execution with a couple of clicks and instantly find the line your transaction reverted on. See the state of your contract at any point in a transaction and explore state changes in a granular view. Visualize and analyze the behavior of your Smart Contract to spot patterns and gain a deeper insight into transaction data. Any time an event triggers your custom set of rules you will receive a notification on your favorite channels like Slack, Email, PagerDuty, etc. Get a granular gas usage breakdown to help you optimize your Smart Contracts and lower the gas cost of your transactions. Know how your transactions will behave before you execute them, estimate the gas usage and test potential bug fixes.

Next generation layer 2 for Ethereum dApps. Use your favorite tools and scale your dApp at the lowest cost. An aggregator plays the same role that a node plays in Ethereum. Client software can do remote procedure calls (RPCs) to an aggregator, using the standard API, to interact with an Arbitrum chain. The aggregator will then make calls to the EthBridge and produce transaction results to the client, just as an Ethereum node would. Most clients will use an aggregator to submit their transactions to an Arbitrum chain, although this is not required. There is no limit on how many aggregators can exist, nor on who can be an aggregator. To improve efficiency, aggregators will usually package together multiple client transactions into a single message to be submitted to the Arbitrum chain. Arbitrum also supports a privileged Sequencer that can order transactions and give low latency transaction receipts.

Telos is the ideal network for real-world use across multiple industries, Telos-based Tokens NFT’s and Smart Contracts are already used for DeFi, gaming, social media amongst a backdrop of almost unlimited real-world use cases. There are over 100 projects already building on Telos. Top brands already use Telos Blockchain for real-world activities including transparent hackathon judging and payments through Taikai. Telos natively runs eosio C++ smart contract technology. The leading decentralized stack for high throughput decentralized applications. Telos will be the first EVM-compatible blockchain built on eosio. Deploy and run your Ethereum Apps using Telos EVM for the most performant DeFi available. Join hundreds of developers and thousands of users who are choosing Telos. Economic and geographic decentralization to ensure the security and safety of the chain. Community support, including the Telos Works proposal system and grant making for new projects.

The public blockchain that derives its value from activities created by members within the ecosystem solving real world economic problems. With BlockRef and Expiration transaction fields, users can set the time when transaction is processed or expired if not being included in a block. Flexible transaction fee delegation schemes (Multi-party Payment and Designated Gas Payer) enable a freemium model within a decentralized application to onboard users without friction. Multi-function atomic transactions allow developers to batch payments, add multiple calls to different contract functions into one transaction and determine their sequence. Set dependencies to ensure the execution order meets the business need, transactions that specify a dependency will not be executed until the required transaction is processed.

Smart contracts you control. Tools that accelerate your workflow. Intuitive SDKs and widgets for developers. Collections or one-of-a-kind tokens with fully customizable properties. Your own marketplaces to let users buy and sell any tokens. Custom social tokens, governance tokens, and currencies that you control. Loot boxes full of NFTs with rarity-based unboxing mechanics. Timed drops for users to easily claim NFTs and other tokens. Custom royalty splits to easily manage your revenue. Each module has a set of roles that allow different wallets to interact with the module. Get started for free, no hidden costs, ever. Only pay a tiny percentage of your royalties. Your success is our mission, you win, we win. Powerful, easy-to-use insights to help you understand your project's performance. Fine-grained access control that scales with your team. Tokens with secret encrypted content/links and programmable metadata changes.

Shiden Network is a multi-chain decentralized application layer on Kusama Network. Kusama Relaychain does not support smart contract functionality by design - Kusama Network needs a smart contract layer. This is where Shiden Network comes in. Shiden supports Ethereum Virtual Machine, WebAssembly, and Layer2 solutions from day one. The platform supports various applications like DeFi, NFTs and more. SDN token holders can stake their tokens on favorite dApps so that both nominators and the dApps developer can earn SDN tokens. If you are trying to deploy Solidity smart contracts, you have 2 ways to compile your smart contract: using Ethereum tools, or using Solang (a Solidity to WASM compiler). After compiling your contract, you can deploy it on our testnet, Dusty Network.

Discover a wide variety of dapps, contracts and tools, built in the Junø ecosystem by developers and contributors from across the globe. The Moneta Hacks are the largest incentivized smart contract challenge in the world. Developers from across the world may deploy smart contracts onto the permission-less interoperable smart contract base layer called Juno. Simple, secure and fast virtual machine set up to sandbox or partition your application’s actions for better testing, security, performance and speed. When the staking (delegation) transaction is complete, rewards will start to be generated immediately on a block per block basis. At any time, stakers can claim their accumulated rewards, via a non-custodial wallet. Juno is a completely community-owned and operated smart contract platform. The majority of the genesis supply was stake dropped to atom holders, committed to the locked community pool, and allocated to the vested development reserve & smart contract Hacks.

Your sensitive data is only processed in hardware secure enclaves isolated from the rest of the world. The integrity of code and data is guaranteed. Only authorization actions are allowed. Phala confidential contract is compatible to multiple standards including Intel SGX and AMD SEV, etc. Secure and reliable data storage and processing based on decentralized storage and our random scheduling algorithm. Remote attestation guarantees the contract runs right inside a trustless and confidential environment. All the code and execution are verifiable on-chain. Smart contract is 90% less useful without composability. Phala is the only confidential contract protocol that keeps interoperability and composability.

The last original Layer 1 blockchain project is launching a revolutionary public network that provides a limitless environment for smart contracts that run at web speed, serve web, scale, and reduce compute costs by a million times or more. Build everything from DeFi, to mass market tokenized social media services that run on-chain, or extend Ethereum dapps. Chase the blockchain singularity. Limitless blockchain with the power, speed and scale of the Internet. Build tokenized mass market social media services exclusively from smart contracts.

Clarinet provides a CLI package with a Clarity runtime, an REPL, and a testing harness. Clarinet includes a Javascript library, testing environment, and a browser-based Sandbox. With Clarinet, you can rigorously iterate on your smart contracts locally before moving into production. Clarity is a programming language that brings smart contracts to Bitcoin. It’s optimized for security and predictability, and it gives developers a safe way to build complex smart contracts. Clarity is designed for high-stakes code where bugs are not an option.

Stacks makes Bitcoin programmable, enabling decentralized apps and smart contracts that inherit all of Bitcoin’s powers. Build apps and smart contracts on Bitcoin. Stacks connects to Bitcoin, enabling you to build apps, smart contracts, and digital assets that are integrated with Bitcoin's security, capital, and network. Lock your STX temporarily to support the network’s security and consensus. As a reward, you’ll earn Bitcoin that miners transfer as part of Proof of Transfer. Stacks makes Bitcoin's $760B of capital programmable with smart contracts. Build a better financial system on top of Bitcoin that’s open, composable, and without intermediaries. Run your app’s logic on the blockchain with Clarity smart contracts. Clarity is a more secure and predictable language that prevents many bugs and exploits. Perfect for high-stakes code where bugs are not an option.

Easily form and manage DAOs. Access a community-led smart contract library to execute specific transactions, facilitate voting, and manage proposals. Provide exclusive access to special content, voting, and more to NFT holders. Easily create utility for your Cardano NFT project. DAOs, individuals, and businesses can utilize our escrow service. Easily enter into secure agreements by filling out a simple online form. Smart contracts are transparent, self-executing computer programs. Smart contracts can do anything from creating and governing decentralized communities to facilitating automated transactions. Instead of complicated Plutus programming, simply fill out basic forms to create and deploy custom Cardano smart contracts. We provide audited templates to versatile smart contracts that are the backbone needed to create decentralized applications and communities on the Cardano blockchain.

Elastos is the world’s leading provider of open source solutions, employing not only blockchain technology, but a peer-to-peer network for communication, decentralized data storage services, and a decentralized ID system for all users and digital assets. The Elastos essentials official super-wallet application provides full management support for your digital identity, contacts, decentralized storage, token spending, voting, and smart contract operations. RPC Crypto Wallet with interoperability, swapping and bridging features. Smart contract operations associated with the Elastos Smart Contract Chain (ESC). We call our platform the Elastos SmartWeb. We are based across the globe, but are united in the belief that the Elastos SmartWeb has the power to change the world for the better. Each platform component contributes unique features and services that draw developers and users to Elastos.

CosmWasm is a new smart contracting platform built for the Cosmos ecosystem. If you haven't yet heard of it. The purpose of this documentation is to give a deep dive into the technology for developers who wish to try it out or integrate it into their product. Particularly, it is aimed at Go developers with experience with the Cosmos SDK, as well as Rust developers looking for a blockchain platform. CosmWasm is written as a module that can plug into the Cosmos SDK. This means that anyone currently building a blockchain using the Cosmos SDK can quickly and easily add CosmWasm smart contracting support to their chain, without adjusting existing logic. We also provide a sample binary of CosmWasm integrated into the gaiad binary, called wasmd, so you can launch a new smart-contract enabled blockchain out of the box, using documented and tested tooling and the same security model as the Cosmos Hub.

Symbiont Assembly™ is a blockchain platform for building and running decentralized applications, called “smart contracts," that meets the highest standards of security, integrity and availability for mission-critical use cases in financial services. Assembly™ uses state machine replication to provide strong consistency and data availability guarantees without sacrificing network decentralization or confidentiality. Assembly smart contracts are written in SymPL™, a domain-specific language designed for modeling the most complex business logic for a decentralized, digital golden record of financial transactions. Nodes are guaranteed to have consistent views of shared application state in the presence of fine-grained privacy controls, without ever relying on trusted central authorities to perform data validation. Assembly uses end-to-end encryption to protect your confidential smart contract data, so that only you and your counterparties ever see the contents of your transactions.

Build smart contracts with mainstream software stacks. Take a productive leap from Solidity to the vast universe of software components supported by Linux. Enable million-fold computational scalability, data availability of large files and low transaction costs. All while preserving the strong security guarantees of Ethereum. From games where players conceal their data to Enterprise applications that run on sensitive data, preserve privacy on your DApps. Descartes executes massive computational tasks off-chain, on a Linux virtual machine fully specified by a smart contract. The results of the computations are fully verifiable and enforceable on-chain by honest Descartes node runners, preserving the strong security guarantees of the underlying blockchain. Defeat the scalability limits of Ethereum, with million-fold computational gains, while preserving the strong security guarantees of the blockchain.

Meter is a high performance infrastructure that allows smart contracts to scale and travel seamlessly through heterogeneous blockchain networks. Meter is a Layer 1 and Layer 2 blockchain protocol. The Meter system consists of two tokens: MTRG, the governance token (eMTRG is the ERC20 version), and MTR, the low-volatility currency token. Financial assets should flow freely among blockchains. Meter’s HotStuff-based consensus allows 1000s of validator nodes, making Meter the most decentralized Layer 2 for Ethereum. Meter processes thousands of transactions per second and transactions are confirmed almost instantly. Meter Passport allows assets and smart contracts travel and communicate across heterogeneous blockchains for the best price, liquidity and yield. Meter is an Ethereum Compatible with unique enhancements. Unlike other Layer 2, DEXes build on Meter are front running/MEV resistant, fast and uncensorable.

Starknet is a permissionless decentralized ZK-Rollup operating as an L2 network over Ethereum, where any dApp can achieve unlimited scale for its computation, without compromising Ethereum's composability and security. Starknet achieves scale, while preserving the security of L1 Ethereum by producing STARK proofs off-chain, and verifying those proofs on-chain. On Starknet, developers can easily deploy any business logic using Starknet Contracts. Starknet will provide Ethereum-level composability, facilitating easy development and compounding innovation. The STARK Prover powers the StarkEx scalability engine, and has already demonstrated the ability to process 600K transactions in a single proof on Mainnet.

Trade any kind of digital asset — from rare virtual kittens to ENS names, land rights, or even smart contracts themselves. Wyvern Protocol powers the peer-to-peer exchange of digital assets. Trade any kind of non-fungible asset — from rare virtual kittens to ENS names, land rights, or even smart contracts. Wyvern can be deployed on any EVM-based blockchain, allowing developers to power their asset exchange. The Wyvern Protocol codebase is open source, permissively licensed, and third-party audited. Pick whichever method of sale you prefer: fixed price, Dutch auction, or something more exotic. Interface with the Exchange through a website, a mobile application, or a custom script. Trade any kind of non-fungible asset — from rare virtual kittens to ENS names, land rights, or even smart contracts. Trade ERC20 tokens, ERC721 NFTs, or custom assets in any combination.

AstraKode Blockchain (AKB) is a low-code, web-based platform for enterprise blockchain solutions and smart contracts development, testing and deployment. The platform currently offers: The Network Composer, a guided visual IDE where users can design and easily configure a permissioned blockchain network (Hyperledger Fabric). At any point in time, users are also able to generate and download the network’s source code, which can then be either deployed locally or on distributed machines via automated scripts. Smart Contract IDE is a powerful tool that makes developing and deploying your blockchain application simple by creating a visual environment for smart contracts (Hyperledger Fabric, Solidity). This offers a higher level of abstraction, resulting in intuitive learning by doing. A Discord-hosted community for product and technology discussion and tutorials and a wiki linked to the platform for documentation and configuration guides foster open and responsive communication.

OpenLaw makes it easy to create legal agreements that work with Ethereum. Wrap smart contracts in legal agreements in minutes using our tools. Sign and seamlessly interact with smart contracts. Our sandbox is for developers who want to make the next great product leveraging our tools, markup language, and blockchain extensions. OpenLaw is building a technology stack to help power next generation "smart" legal agreements. The OpenLaw protocol documentation is intended to provide a resource for developers to build around our open source language and integration APIs. OpenLaw Elements is a React component to help accelerate development for projects using OpenLaw. The main component of OpenLaw Elements is OpenLawForm. This component will render all other required form elements for a passed in template and its associated variable data. It also handles template sections and customizing their output.

Subspace is a fourth-generation blockchain built for the next wave of crypto creators. Energy-intensive mining and capital-intensive staking are replaced with a new form of disk-based farming. We leverage key academic research to resolve the blockchain trilemma without sacrificing security or decentralization. Archiving the history of the blockchain ecosystem allows for simple, secure, and trustless bridges between networks. Farmers store unique segments of history allowing the blockchain to bloat without sacrificing decentralization. Executors process smart contracts and maintain the blockchain state, keeping farming lightweight and decentralized. Designed from first principles for maximum decentralization, community ownership, and on-chain governance. We are backing up every block across the Polkadot and Kusama Networks as a public good for the benefit of the ecosystem.

Solidity is a statically-typed curly-braces programming language designed for developing smart contracts that run on Ethereum. As a relatively young language, Solidity is advancing at a rapid speed. We aim for a regular (non-breaking) release every month, with approximately one breaking release per year. You can follow the implementation status of new features in the Solidity Github project. You can see the upcoming changes for the next breaking release by switching from the default branch (`develop`) to the `breaking branch`. You can actively shape Solidity by providing your input and participating in the language design.