Chainstack's APIs and software are used by thousands of businesses, large and small, to build, scale, and maintain blockchain applications. To ensure your security and control, Chainstack's APIs offer secure node connections and key security best practices. Invite other members to join your network and deploy their infrastructure using simple network management tools. You can build and deploy the blockchain protocol that suits your needs. The protocol will never be updated or modified again. Chainstack's managed services for blockchain make it easy to launch, join, and scale decentralized networks. You can now safely experiment with enterprise-grade tools and services and then run production. Continuously monitor and provision your resources.
Learn more

CEX.IO is a licensed and versatile cryptocurrency exchange that was founded in 2013 and has since established offices in various countries, including the UK, US, Ukraine, Cyprus, and Gibraltar. With a user base exceeding 3 million worldwide, CEX.IO ensures dependable services through cold storage of cryptocurrencies, robust financial health, top-notch security measures, and adherence to KYC/AML regulations. Notably, CEX.IO was among the pioneer platforms to facilitate easy fiat-to-crypto transactions by allowing customers to make payments via credit cards and bank transfers. Presently, the exchange offers a diverse range of trading options for cryptocurrencies such as Bitcoin, Bitcoin Cash, Ethereum, Ripple, Stellar, Litecoin, and Tron, among others, which can be traded for fiat currencies like USD, EUR, GBP, and RUB. Understanding the importance of accessibility, CEX.IO has developed trading capabilities through its website and mobile applications for both iOS and Android, as well as through WebSocket and REST API to cater to different user preferences. This commitment to adaptability ensures that clients can engage in trading activities anytime and anywhere.
Learn more
cBridge
cBridge functions as a versatile multi-chain network facilitating immediate and cost-effective value transfers, allowing users to move assets seamlessly within and between Ethereum's layer-2 chains and its main chain, with plans to extend this capability to additional layer-1 and layer-2 networks in the future. It ensures quick access to layer-2 solutions from Ethereum’s layer-1 without enduring lengthy wait times, while also enabling rapid liquidity exchanges among various Ethereum layer-2 networks, including Optimistic Rollups like Optimism and Arbitrum, as well as PoS side chains such as Matic and SKALE, all without needing to engage the underlying layer-1 blockchain. Furthermore, cBridge allows for two-way bridging between layer-2 solutions on one blockchain and entirely distinct layer-1 blockchains, bypassing the respective root layer-1 entirely. The capabilities of cBridge v1.0 encompass cross-chain transfers across all EVM-compatible chains, which include several EVM-compatible layer-1 chains and various layer-2 scaling solutions like Optimistic Rollup, ZK Rollup, and sidechains, thereby broadening the scope for users to engage in efficient and diverse asset transfers across multiple platforms. This innovative infrastructure not only enhances transaction efficiency but also fosters greater flexibility for users navigating the expanding landscape of blockchain technologies.
Learn more
Starknet
Starknet functions as a decentralized ZK-Rollup on Ethereum, operating without permission and allowing any decentralized application (dApp) to attain boundless computational scale while maintaining Ethereum's security and composability. By generating STARK proofs off-chain and verifying them on-chain, Starknet successfully scales while safeguarding the integrity of Layer 1 Ethereum. Developers can seamlessly implement diverse business logic through Starknet Contracts, promoting Ethereum-level composability that encourages straightforward development and fosters innovation. The STARK Prover drives the StarkEx scalability engine, showcasing its capability to handle up to 600,000 transactions in a single proof on Mainnet, which highlights its efficiency and robustness. This combination of features positions Starknet as a vital infrastructure for the next generation of decentralized applications.
Learn more