Bitcoin, which is in the midst of a developer renaissance with the advent of its own NFTs and decentralized finance (DeFi) services, had an impressive turnout of builders at the conference. So did Polkadot, the “hub-and-spoke” blockchain created by Gavin Wood, an Ethereum co-founder who used to market his new project as an improvement over the Ethereum model. Even Solana, the speed-focused network that’s long positioned itself as an “ETH Killer,” had a well-attended booth at Denver’s National Western Complex, the conference’s venue.
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