Crypto Print

Jeff Dorman, a CoinDesk columnist, is chief investment officer at Arca where he leads the investment committee and is responsible for portfolio sizing and risk management. He has more than 17 years of trading and asset management experience at firms including Merrill Lynch and Citadel Securities.“Did you look both ways?”I recently …

On Wednesday a Twitter bot reported that a Bitcoin transaction came from a wallet that possibly belonged to Satoshi Nakamoto, the anonymous creator of the network and author of the Bitcoin whitepaper. 👤👤👤 40 #BTC (391,055 USD) transferred from possible #Satoshi owned wallet (dormant since 2009) to unknown walletℹ️ …

pragma solidity 0.4.18; import “./Vehicle.sol”; contract VehicleOwner { address public owner; mapping(bytes32 => address) public vehicles; event NewVehicleAdded(address indexed newVehicle, uint256 timestamp); function VehicleOwner() public { owner = msg.sender; } /** * @dev Throws if called by any account other than the owner. */ modifier onlyOwner() { require(msg.sender == owner); …

Share and get +16 +16 A Beginner’s Guide to Smart Contracts TLDR: A smart contract is a computer protocol intended to digitally facilitate, verify, or enforce the negotiation or performance of a contract. Smart contracts allow the performance of credible transactions without third parties.One of the best things about the blockchain is that, because it is …