Ethereum has shifted from Proof-of-Work to Proof-of-Stake

Recap of the Week

👉 Ethereum has shifted from Proof-of-Work to Proof-of-Stake, leading to a huge reduction of energy consumption 👉 Brother of ex-Coinbase manager pleads guilty to insider trading charge 👉 Starbucks enters web3 and plans to launch a blockchain-based loyalty program 👉 Citadel, Fidelity and Charles Schwab launch a crypto exchange 👉 The prototype for Norway’s central…