Trading Notes | The History of Ethereum
① The Ethereum white paper was written in late 2013, and a 42-day public sale of Ether began in July 2014.
② The Pectra upgrade went live on May 7, 2025, and the Fusaka upgrade went live on December 3, 2025. Fusaka introduced PeerDAS data sampling.
③ Some platforms may suspend deposits and withdrawals before and after major upgrades, so leave yourself extra flexibility when arranging funds.
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