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Claude Opus 4.8-assisted audit found Zcash Orchard bug on May 29, 2026
On May 29, 2026, Shielded Labs security researcher Taylor Hornby identified a critical flaw in Zcash’s Orchard shielded pool, one day after Anthropic released Opus 4.8. The issue could have enabled undetectable inflation of ZEC by repeatedly spending the same note while generating different nullifiers. The disclosure was followed by an emergency response and a reported market reaction in which ZEC fell about 60%, wiping more than $4 billion in market cap.
BTC
BTC-0.26%
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Dogecoin whales add 200M DOGE as price dips below $0.08 for first time since Feb 2025
Dogecoin slid below $0.08 on Friday for the first time since February 2025 before edging back to about $0.084 at press time, leaving it roughly 89% under its May 2021 peak. Over the past week, whales accumulated more than 200 million DOGE and total whale holdings climbed to 18.84 billion coins. Spot DOGE ETFs have seen limited demand, with only one inflow day since May 19 and $12.44 million raised since launching in late November 2025.
DOGE
DOGE-1.91%
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Santiment: Retail Abandons Ethereum as Sentiment Hits "Extreme Fear" Zone
Santiment said Tuesday that many retail traders have effectively given up on Ethereum, a setup it argues can increase the odds of a rebound when pessimism becomes widespread. It added that ETH social sentiment has slid into an "extreme fear zone" after months of lagging Bitcoin and other altcoins. ETH also hit an intraday low of $1,620 twice in the past 24 hours, while Glassnode reported only 11% of ETH supply is held at more than 3x profit.
ETH
ETH-1.66%
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