Tangany provides a custody Wallet as a Service for businesses to easily integrate blockchain technology into legacy and new systems via an API. The provided infrastructure comes with the ability to create and store private keys safely in a FIPS140-2 certified HSM environment, to sign transactions and to send those transactions via connectors to the chosen blockchain. The connectors (Meta Blockchain API) enable clients to connect to different public (like Ethereum or Bitcoin) and private blockchains (like Hyperledger or Privat Ethereum instances).