Ethereum
In the world of crypto, Ethereum is the source of innovation, where DeFi, NFTs, Layer 2, and numerous new technologies were created. One of its co-founders, Vitalik Buterin, is a key opinion leader in the crypto world. Ethereum launched a series of important upgrades to transition from proof-of-work (PoW) to proof-of-stake (PoS), which may help to break down the Blockchain Scalability Trilemma and makes Ethereum a “ultra-sound money”.