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

Yesterday I had a talk on the JS.talks() conference in Sofia on “Creating DApps with Ethereum“. I demonstrated how to create a “Document Registry” ADpp on the Ethereum blockchain network, using a smart contract coded in Solidity and connecting to the Ethereum network through the Web browser from JavaScript app using MetaMask and its Injected