Strong understanding of simple and secure account linking and authentication infrastructure, including wallet integrations across custodial and non-custodial platforms, chain abstraction mechanisms, stablecoin funding integration, and the end-to-end lifecycle of account linking from user wallet selection through identity verification, account ownership validation, compliance confirmation, and secure asset transfer. Founded in 2017, zerohash enables banks, brokerages, fintechs, and payment companies to offer crypto trading, stablecoin payments, and tokenized assets without having to build or manage complex blockchain infrastructure on their own.