Hashcash was a digital currency system designed to prevent spam
Digicash was a digital currency system that used cryptographic techniques
digital currency system that used cryptographic techniques to secure transactions and protect user anonymity
In the early days of digital currency, a revolutionary concept was proposed by Wei Dai
Ethereum isn't just a cryptocurrency like Bitcoin. It's a decentralized platform that enables developers to build and deploy smart contracts and decentralized applications (dApps).