Section
Ethereum
The latest Ethereum coverage from Bullquill: sourced, dated and explained.
6 POSTSUPDATED
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Bitcoin Slips 0.28% on Oct 23, 2026 as ETF Outflows Hit $635M
Bitcoin ended the UTC day of October 23 almost flat at $81,102.31 after US spot bitcoin ETFs posted their largest daily outflow since June and high oil prices kept Fed rate-hike bets alive.
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Ethereum Glamsterdam Hoodi upgrade postponed over EIP-8037
ChainSecurity found the new state-gas rules could change how some deployed contracts handle failed calls. Hoodi node operators must update execution and consensus clients, and December mainnet dates are now uncertain.
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Ethereum finality: EIP-8453 plan aims to cut 16 minutes to 4
A draft filed on October 21, 2026 would separate the vote that picks the chain head from the vote that finalizes blocks. Timings, penalties and security analysis are still open, and there is no activation date.
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Crypto daily brief, Oct 22, 2026: bitcoin drops 3% as oil jumps
Bitcoin lost about 3.3% over the UTC day and ether about 3.7% as Brent crude topped $111 and US chip stocks sold off, wiping out gains from three straight days of spot bitcoin ETF inflows.
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How to secure a crypto wallet seed phrase (step-by-step)
A step-by-step security checklist for moving coins off an exchange: what a BIP-39 seed phrase is, how to back it up offline, hardware vs software wallets, passphrases, multisig, and the scams behind most losses.
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How to read on-chain data on mempool.space and Etherscan
Look up a Bitcoin transaction on mempool.space and an Ethereum transfer on Etherscan without an account, then learn why a simple ETH transfer uses 21,000 gas and what active addresses, exchange flows and hash rate can and cannot show.
