Today I had a talk at the SoftUnit Conf 2018 titled “Multi-Signature Crypto-Wallets“, where I explained the the problems with single-user-controlled wallets, the concepts of multisig wallets, multisig addresses, how multi-signature wallets are implemented in Bitcoin and Ethereum and demonstrated the Gnosis multisig wallet contract (Solidity code), running on the Ropsten Ethereum testnet, along with the