key-management
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DeFi Devs
DeFi Devs is a Miami-based blockchain and AI development company that serves as the lead community developer of the Accumulate Protocol, an identity-based, delegated-proof-of-stake blockchain built for decentralized finance, digital identity, and enterprise tokenization. Founded in 2021 as a subsidiary of Inveniam Capital Partners and led by Factom founder Paul Snow, the firm builds infrastructure for cross-chain atomic transactions, human-readable addresses, and hierarchical key management, positioning Accumulate as an 'Internet of Blockchains' that bridges regulated real-world assets onto decentralized rails.
Cubist
Cubist is a security-first Web3 infrastructure company that builds hardware-backed key management and confidential compute for digital assets. Its flagship platform, CubeSigner, keeps cryptographic keys sealed inside secure hardware (HSMs and AWS Nitro Enclaves) while giving developers low-latency signing through revocable sessions and a programmable policy engine - resolving the old tradeoff between cold-wallet security and hot-wallet speed. Founded by applied cryptographers and security researchers from Carnegie Mellon and UC San Diego who designed primitives underlying Ethereum and Avalanche, Cubist serves staking providers, DeFi protocols, bridges, and institutions building on internet capital markets.
Coincover
Coincover is a UK-based digital asset protection company that helps institutions and their customers hold and recover cryptocurrency safely. Founded in 2018 in Cardiff, it pioneered the wallet disaster recovery category, offering encrypted key backup, automated recovery, fraud detection and theft protection that integrate directly into exchanges, custodians, banks and wallet providers. Coincover has protected over 22 million wallets, safeguards 600+ businesses, and works with names like BitGo, Fireblocks, Ledger, Gemini and Ripple.
Infisical
Infisical is an open-source security platform that helps engineering teams manage secrets, certificates, and machine identities in one place. Born out of Y Combinator's W23 batch, it replaces scattered .env files and hardcoded API keys with a unified, MIT-licensed stack covering secrets management, dynamic secrets, rotation, secret scanning, PKI, KMS, SSH, and privileged access. Used by companies like Hugging Face, LG, and Lucid, it secures billions of secrets and is backed by Elad Gil, Google's Gradient Ventures, and Y Combinator.