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Crypto

Hyperliquid whale makes 234.8 billion won in six months, bets against bitcoin

A large trader active on Hyperliquid is keeping a $38 million short position in bitcoin, drawing attention to the risk of a near-term pullback. The account, known as BobbyBigSize, made a cumulative $159 million in the past seven months but posted a $561,000 loss over the past 30 days. The trader’s positions are mostly bearish, though a $21 million leveraged ether long was opened last week.

Crypto

Adam Back says Bitcoin must prepare quantum-resistant shift; Satoshi holdings could be estimated

Bitcoin could reveal how much bitcoin Satoshi Nakamoto can actually access if it shifts to a post-quantum system, a claim has emerged. Blockstream CEO Adam Back (아담 백) said the safest approach is to design an optional upgrade that allows a move to quantum-resistant cryptography if needed. That shift could help gauge the effective size of Satoshi-linked holdings. Separately, a proposal to restrict movement of quantum-vulnerable coins has drawn criticism as confiscatory.

Crypto

Winklevoss twins make large bitcoin withdrawal from Gemini

Cameron and Tyler Winklevoss, founders of U.S. crypto exchange Gemini, have withdrawn a large amount of bitcoin from the platform, prompting varied interpretations of the transaction. Blockchain analytics data cited by CoinDesk showed 572 bitcoin, worth about $42.77 million, moved in the past 24 hours from a Gemini hot wallet to wallets tied to Winklevoss Capital and Gemini Custody. The transfers occurred in two tranches.