Top NYC, NY Blockchain Companies (171)

Block, Inc. is a global technology company with a focus on financial services. Made up of Square, Cash App, Afterpay, TIDAL, Bitkey, and Proto, Block, Inc. builds technology to increase access to the global economy. Each of our brands unlocks different aspects of the economy for more people. Square makes commerce and financial services accessible to sellers. Cash App is the...

Circle (NYSE: CRCL) is a global, internet financial platform company powering the foundation of an open, borderless, and programmable economy. Circle connects financial institutions, enterprises, and developers to the next generation of the internet financial system through digital assets such as USDC, Circle Payments Network for global money movement, and Arc, an enterprise-grade blockchain designed to become the Economic OS...

Our technology makes it easy for companies—from fast-growing startups to global fintechs—to integrate stablecoins into their products, platforms, and payment flows. Whether they’re launching a credit card program, enabling cross-border payments, or embedding wallets, Rain builds the tools to do it fast, flexibly, and compliantly. We’re built for the next generation of global finance. Our infrastructure combines the stability of trusted...

Crypto creates economic freedom by ensuring that people can participate fairly in the economy, and Coinbase (NASDAQ: COIN) is on a mission to increase economic freedom for more than 1 billion people. We’re updating the century-old financial system by providing a trusted platform that makes it easy for people and institutions to engage with crypto assets, including trading, staking, safekeeping,...

Mastercard powers economies and empowers people in 200+ countries and territories worldwide. Together with our customers, we’re building a resilient economy where everyone can prosper. We support a wide range of digital payments choices, making transactions secure, simple, smart and accessible. Our technology and innovation, partnerships and networks combine to deliver a unique set of products and services that help...

Bitcoin is the best money. It should be used like it. We build and fund free, open-source projects aimed at making bitcoin the planet’s preferred currency.

Deepening the Science of Security Founded in 2012 by 3 expert hackers with no investment capital, Trail of Bits is the premier place for security experts to boldly advance security and address technology’s newest and most challenging risks. It has helped secure some of the world's most targeted organizations and devices. Our combination of novel research with practical solutions reduces the...

Alchemy powers the top blockchain companies globally and has been featured in TechCrunch, Forbes, Bloomberg, and elsewhere. Our mission is to bring web3 to a billion people, by providing builders with the tools they need to build exceptional onchain products. Alchemy is the only complete developer platform that offers the powerful APIs, SDKs, and tools necessary to build and scale onchain...

Initially built to take the pain out of peer-to-peer payments, Cash App has gone from a simple product with a single purpose to a dynamic app, bringing a better way to send, spend, invest, borrow and save to our millions of monthly active users. With a mission to redefine the world's relationship with money by making it more relatable, instantly...

Superstate is an asset management firm modernizing the infrastructure of investment funds for crypto native institutional investors. We offer investment products that benefit from the speed, programmability, and compliance advantages of blockchain tokenization. Learn more about our products for institutional investors at Superstate.co. Superstate is currently exempt from registration with the U.S. Securities and Exchange Commission (“SEC”) in reliance on...

Newlab advances technologies that support the health of our planet. We act as a facilitator, connector, and translator for our community of experts and innovators, helping to build, test, and scale world-changing ideas through investment, venture building, and structured collaboration with industry and government partners. Inspired by its rich history, we envisioned a way to return 
the building to relevance by...

Bitquery is an API-first product company dedicated to power and solve blockchain data problems using the ground truth, on-chain data. Bitquery extracts and presents valuable data via APIs. These APIs are delivering solutions to multiple verticals like Decentralize Finance (DeFi), DEX Arbitrage Analytics, Crypto Surveillance & Forensics across all major blockchains like Bitcoin, Ethereum, EOS, Tezos. https://angel.co/company/bitquery/jobs

Mediachain uses smart contracts to get musicians the money they deserve. By entering into a decentralized, transparent contract, artists can agree to higher royalties and actually get paid in full and on time. Streaming giant Spotify acquired Mediachain in April 2017.

Instant payments anywhere onchain, powered by Relay. In 18 months, we've served 5M+ users, facilitated 50M+ transactions, and processed $5B+ in volume. Teams need seamless cross-chain experiences without the complexity. So we built a payments approach to interop that just works. It's a full-stack solution — API, consumer App, and underlying infra — with enterprise-grade reliability and unstoppable speed. Average...

We are building the Monad blockchain, an ultra-high-performance EVM-compatible layer-1 blockchain designed to bring world adoption to decentralized apps. We help the EVM scale by enabling parallel execution and other significant innovations in distributed consensus and smart contract execution. Monad blockchain, an ultra-high-performance EVM-compatible layer-1 blockchain designed to bring world adoption to decentralized apps. We help the EVM scale by...

Ava Labs makes it simple to deploy high-performance solutions for Web3, led by innovations on Avalanche. The company was founded by Cornell computer scientists, who partnered with Wall Street veterans and early Web3 leaders to execute a promising vision for redefining the way people build and use open, permissionless networks. Our mission is to empower people to easily and freely...

Input OpenAPI. Output idiomatic SDKs and beautiful API docs. Backed by YCombinator.

Roll is a social currency layer for the web. The protocol utilizes the Ethereum blockchain to issue branded social money for anyone to own, control, and coordinate the value they create across their network.

At Fern, we believe people deserve to own their money and transact with it freely. Developers can use the Fern APIs to embed seamless currency conversion features in their products. Businesses and individuals can use the Fern app (fernhq.com) as their onchain bank account replacement. Fern is built by the team at Tephra Labs (tephra.com).

Offchain Labs is a venture-backed, Princeton-founded company that has dedicated over 8 years to blockchain research and development. As the original developers of Arbitrum, Offchain has been instrumental in revolutionizing the industry through this leading network scaling solutions. The team continues to build upon this foundation by innovating and enhancing products such as Arbitrum Orbit, Stylus, and Arbitrum Nitro. In...