what's Cubist?

Cubist is a secure operating platform for internet capital markets, providing hardware-backed key management and embedded wallets tailored for Web3 applications. It enables teams, protocols, and institutions to automate digital asset operations across blockchains with institutional-grade security, performance, and compliance. Core products include CubeSigner, a self-custody signing service using tamper-resistant hardware security modules for low-latency key operations; Confidential Cloud Functions, which allow private smart contract logic and verifiable off-chain computation compatible with any chain; and specialized Bitcoin workflows for advanced signing and staking. Founded by cryptography and systems security experts from Carnegie Mellon University and UC San Diego, Cubist leverages formal verification, programmable policy engines, and SOC2-compliant infrastructure to govern complex asset flows. This includes policy-protected access controls running custom Wasm logic in trusted execution environments, ensuring resilience under high-volume conditions while protecting sensitive data and enabling seamless cross-chain interactions.

Cubist partnered with major players to launch Hashi, a BTC-backed lending primitive on Sui.