CryptoHistoryBook
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Crash · Jan 7, 2019

51 percent attack

Attackers rewrite ETC history to double spend.

ETC close on Jan 7, 2019
$5.01
Source: Coinbase Exchange ETC/USD daily close, 2019-01-07

In January 2019 Coinbase reported a deep chain reorganization on Ethereum Classic that allowed double spends worth about 1.1 million dollars.

Ethereum Classic price, USD
launchrallycrashupgradelegalforkoutagemilestone

Source: Binance ETC/USDT daily closes 2018-06-12 to 2018-08-07; Coinbase Exchange ETC/USD daily closes 2018-08-08 to 2026-10-14. Fetched Oct 14, 2026 from free public APIs. Click a dot for the event and its price on that day.

Part of Ethereum Classic in 2019 · full Ethereum Classic timeline · Ethereum Classic hub

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Repeated 51 percent attacks

Updated

Sources

Facts written in our own words. Last checked Oct 14, 2026.