The company allows institutional investors to comply with regulations when interacting with DeFi, and recently facilitated a proof of concept trial with Nomura's crypto arm Laser Digital by building a compliance wrapper on top of USDC stablecoin. London-based Keyring raised $6 million in venture capital funding to expand its on-chain compliance platform, which is targeted to institutional investors and protocols, the firm said Tuesday. Gumi Cryptos Capital and Greenfield Capital led the seed investment round, with Motier Ventures, Kima Ventures and others also participating, the company said.