Bitcoin introduced the idea that money could exist independently of governments and banks, ushering in a decentralized form of value exchange. But to Vitalik Buterin, a teenage developer from Russia who grew up in Canada, Bitcoin was only scratching the surface. It was a calculator a single-function tool when what he imagined was a full-fledged computer. In 2013, he proposed Ethereum, a blockchain designed to go beyond currency. It would support applications of all kinds, built on code that executed automatically, with no need for middlemen.
Vitalik’s whitepaper introduced the world to smart contracts; self-executing code deployed on the blockchain. These contracts would enable developers to create decentralized applications, or dApps, that functioned exactly as intended, transparently and without trust. The idea was ambitious, and it attracted support from other crypto pioneers like Gavin Wood and Joseph Lubin. In 2014, Ethereum raised over $18 million in one of the first major ICOs, and officially went live on July 30, 2015, with the launch of the “Frontier” version. It wasn’t flashy. It didn’t have DeFi, NFTs, or meme coins. But it was a working programmable blockchain, and what followed would reshape the blockchain world.
Bitcoin showed the world that money didn’t need a middleman. It introduced digital value that lived on a decentralized ledger, confirmed by thousands of independent nodes. But Bitcoin’s design was narrow, deliberately so. It was meant to be stable and secure, not flexible. You could send, receive, and store value, but not much more.
Ethereum flipped the script. Instead of a decentralized currency, Vitalik envisioned a decentralized computer, a system where anyone, anywhere, could write programs that ran exactly as intended without needing a trusted third party. It wasn’t just about sending money anymore. It was about running logic on the blockchain.