Compare the Top Layer 2 Protocols that integrate with Koinly as of May 2026

This a list of Layer 2 Protocols that integrate with Koinly. Use the filters on the left to add additional filters for products that have integrations with Koinly. View the products that work with Koinly in the table below.

What are Layer 2 Protocols for Koinly?

Layer 2 protocols are blockchain protocols that are built on top of an existing blockchain network. A layer 2 protocol is designed to improve the scaling problems and transaction speeds and fees that layer 1 blockchain networks and protocols face. Decentralized applications can be built on Layer 2 protocols, and layer 2 protocols interact with layer 1 protocols in order to improve efficiency and overall user experience. Compare and read user reviews of the best Layer 2 Protocols for Koinly currently available using the table below. This list is updated regularly.

  • 1
    Polkadot

    Polkadot

    Polkadot

    Polkadot is a blockchain network being built to enable Web 3.0, a decentralized and fair internet where users control their own data and markets prosper from network efficiency and security. Polkadot was founded in 2016 by Gavin Wood, former Co-Founder and CTO of Ethereum. Polkadot’s technology addresses the major issues that have stymied blockchain adoption in recent years. Polkadot’s software development toolkit, Substrate, created by Parity Technologies, makes it easy for blockchain developers to build their own custom, fit-for-use blockchains. Polkadot also enables multiple blockchains to communicate between each other, allows for easy upgradeability, and introduces “shared security”, a plug-and-play network security model that allows developers to focus on the technology and avoid spending time and resources recruiting a set of operators to run a new blockchain.
  • 2
    ChainX

    ChainX

    ChainX

    ChainX, the earliest launched project in polkadot ecosystem, ChainX is committed to the research and application of Bitcoin layer 2 expansion, digital asset gateway and Polkadot second-layer relay chain. To realize cross-chain asset exchange, leading the new direction of Bitcoin Cross-DEFi. Bitcoin, with a market capitalization on its way to reaching US$1 Trillion, holds the key to the digital currency world. Its value proposition is enabling further and deeper blockchain technology breakthroughs, validating Bitcoin as a payment method and a superior way of transferring and storing value; in the eyes of many, we have only seen the tip of the iceberg in terms of its full potential. ChainX is deeply committed to researching and expanding Bitcoin’s Layer 2 financial platform, striving to promote Bitcoin’s value flow, enrich financial derivative opportunities and improve hedging tools.
  • 3
    Polygon

    Polygon

    Polygon Labs

    Polygon (MATIC) is a leading blockchain infrastructure designed to bring the speed, scalability, and efficiency of the internet to global finance. With over 5 billion transactions, 117 million active addresses, and a 99.99% uptime record, Polygon has become the trusted foundation for real-time payments, stablecoin transfers, and decentralized finance. The network enables instant settlement at near-zero cost, powering billions in digital asset movement worldwide. Its enterprise-ready infrastructure includes built-in wallets, onramps, and compliance tools that simplify blockchain adoption for businesses. Powered by POL, Polygon’s native token fuels transactions, staking, and security across its multi-chain ecosystem. Built for scalability, Polygon delivers the reliability and performance that modern financial systems demand.
  • 4
    Optimism

    Optimism

    Optimism PBC

    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.
  • 5
    Omni

    Omni

    Omni

    Omni is a platform for creating and trading custom digital assets and currencies. It is a software layer built on top of the most popular, most audited, most secure blockchain - Bitcoin. Omni transactions are Bitcoin transactions that enable next-generation features on the Bitcoin Blockchain. Our reference implementation, Omni Core is an enhanced Bitcoin core that provides all the features of Bitcoin as well as advanced Omni Layer features. With Omni it's simple to create tokens to represent custom currencies or assets and to transact these via the Bitcoin blockchain. The power and simplicity offered by Omni has helped to make it the leading Bitcoin based token protocol. Decentralized crowdfunding is easy with Omni. Crowdsale participants can send bitcoins or tokens directly to an issuer address and the Omni Layer automatically delivers the crowdfunded tokens to the sender in return - all without needing to trust a third party.
  • 6
    Arbitrum

    Arbitrum

    Offchain Labs

    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.
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