Chainstack is a blockchain node platform that powers global Web3 applications across fintech, DeFi, wallets, custodians, gaming, AI agents, trading, and analytics.
Chainstack's core products include Global Node, low-latency RPC endpoints for everyday workloads; Dedicated Node, single-tenant nodes with guaranteed resources for heavy workloads; reliable infrastructure built for trading bots and MEV strategies; and Unlimited Node, an add-on for unmetered request scaling. Together with Chainstack Self-Hosted for teams that need infrastructure on their own premises, these products cover every stage from prototyping to institutional-scale deployment.
Chainstack supports major blockchain networks, including Ethereum, Solana, BNB Chain, Polygon, Hyperliquid, Robinhood Chain, and other EVM-based and non-EVM chains, with elastic (auto-scaling) and dedicated node instances across mainnet and testnet. For Solana-focused trading and MEV operators, Chainstack offers the Yellowstone gRPC Geyser plugin for real-time on-chain data streaming and Jito ShredStream for low-latency transaction propagation.
Deployment options span the public cloud, preferred service providers, or fully self-hosted infrastructure, all managed through a single console with standardized node management across chains and environments. Core infrastructure features include global load-balanced RPC endpoints, blockchain data APIs, node monitoring, and request-unit-based usage tracking, keeping performance predictable and costs transparent as usage grows.
Chainstack offers a free Developer plan alongside paid Growth, Pro, Business, and Enterprise plans, so teams can start building at no cost and scale into preferred infrastructure setup as usage grows.
Teams cut time-to-market, cost, and risk with a single platform for blockchain nodes, whether in the cloud, through a preferred service provider, or self-hosted. Standardized node management across chains and environments puts reliability on autopilot and keeps performance predictable.
Operators get control and transparency, while developers get a consistent way to build and scale. Fintech companies, DeFi protocols, wallets, custodians, trading firms, analytics platforms, and Web3 service providers running fleets use Chainstack as the fastest way to run reliable, predictable blockchain nodes at scale.
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3Q is the European digital infrastructure for video streaming, OTT, and FAST channels.
The partner-friendly SaaS solution is API-first and runs on 3Q's own independent European video infrastructure, independently of hyperscalers.
The 3Q online video platform, made in Germany, lets customers and partners host, manage, and distribute audiovisual content live and on-demand on websites and apps. 3Q's white-label solution for video portals gives audiences fully managed content, with a central media library that provides analytics on each asset's streaming performance.
3Q is GDPR-compliant and all processes are ISO/IEC 27001 certified. It scales globally with multi-CDN and a China setup with ICP filing, valued expertise for many European companies.
3Q is the right choice when European data sovereignty is a non-negotiable requirement and not just "hosted in the EU," but structurally guaranteed. When companies are looking for a specialized, turnkey video platform without having to build their own DevOps team.
Video Hosting and Management: You upload videos via browser or video API and organize everything in a central interface. Automated workflows handle transcoding, metadata, and publishing to websites, apps, and the intranet.
Live Streaming and Webcasting: You stream live to a large audience with no limits on viewer numbers or data volume, broadcast redundantly with all common encoders, and convert every live stream to video-on-demand automatically with Live2VOD. The Live Clipping module creates new clips directly from a live or completed stream.
Delivery and Video Player: The 3Q Content Delivery Network delivers content quickly and in high quality worldwide. The cookie-free and consent-free HTML5 video player works on all devices, supports all video formats, is customizable with logos, overlays, and interactive elements, and offers comprehensive advertising support. It is accessible in accordance with WCAG 2.1/BITV 2.0.
Video AI and Analytics: The integrated video AI generates transcripts, metadata, thumbnails, captions, translations, and chapter markers. 3Q Analytics shows how your video and livestream content is used, filterable by project and time period, and exportable.
API-First: SDKs give developers access to nearly all features of the 3Q platform: upload, encoding, player integration, streaming, analytics, and more at no additional cost.
Headquartered in Munich, 3Q offers a modular pay-as-you-go pricing model & 24/7 support.
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Aptos
At Aptos Labs we are building a Layer 1 for everyone. Develop applications for the Aptos Blockchain, run nodes, and be a part of the blossoming Aptos community. When an Aptos Blockchain client submits a transaction, they are requesting that the ledger state be updated with their transaction. Generate, submit and verify a transaction to the Aptos Blockchain. Write your first Move Module for the Aptos Blockchain. Deploy your first coin on the Aptos Blockchain. Learn how to build your first dapp. Each Aptos account has a unique account address. The owner of that account holds the public, and private key pair that maps to the Aptos account address and, in turn, the authentication key stored in that account. Aptos provides a REST API for interacting with the blockchain. Scan transactions and accounts on the network. Retrieve the ledger data from the FullNode, including account and account resource data.
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