Google Cloud's initial Multi-Party Compute service supports conventional ECDSA signing for Bitcoin and Ethereum, with Ed25519 support planned for Solana.

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The $155.9 million net outflow from spot Ethereum ETFs on October 30, 2026, marked their largest single-day withdrawal since October 7, 2026

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Ethereum co-founder Vitalik Buterin published a technical note on the social platform X arguing that recent work on Ethereum transaction formats has produced a clearer split between transaction actions and dependencies

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Babylon Labs submitted a governance proposal to let Bitcoin holders borrow stablecoins through Aave V4 without selling their BTC, moving it to another blockchain, or handing it to a custodian

Publicly traded Bitcoin mining companies earned roughly $2 billion in revenue during the first half of 2026.

The 28% decline in 2026 blockchain revenue closely aligns with a 30% drop in overall cryptocurrency and Bitcoin prices during the same period.

Itaú Unibanco offers crypto trading on its platform for several digital assets, including Bitcoin, Ether, and USDC.

TRM Labs estimated that $2.4 billion in Bitcoin and Ethereum stolen during the October 29, 2026 Binance hack will never be recovered.

Google researchers estimated that a sufficiently powerful future quantum computer could theoretically derive a Bitcoin private key from an exposed public key in approximately 9 minutes.

Following the October 29, 2026 Binance hack, Bitcoin dropped as much as 5% below $76,000 and broader cryptocurrency markets declined up to 9%.

Curve Finance originally launched StableSwap on Ethereum in 2020 before expanding across multiple EVM-compatible networks.

The 10 Grayscale products eligible for in-kind transfers are tied to Bitcoin, Ethereum, Avalanche, Chainlink, Dogecoin, Hyperliquid, Solana, Sui, XRP, and Zcash.

EIP-8038 aims to increase Ethereum's transaction capacity by aligning gas charges more closely with the resources smart contracts consume.

The Hoodi testnet postponement also suspends the planned activations of both the Amsterdam execution layer and the Gloas consensus layer on the network.

The Glamsterdam upgrade successfully activated on the Sepolia testnet on October 6, 2026, running with a gas limit of approximately 200 million.

The Ethereum Foundation announced on October 22, 2026, that the Glamsterdam upgrade scheduled for October 26, 2026, on Hoodi would no longer proceed.

The Ethereum Foundation has not announced a replacement activation date for Hoodi or confirmed a mainnet deployment schedule for Glamsterdam.

ChainSecurity disclosed on October 22, 2026, that it had identified 13 real-world deployed mainnet contracts vulnerable to gas-accounting changes under Glamsterdam.

EIP-8037's state-gas reservoir passes to child calls without being subject to the EIP-150 rule that caps forwarded execution gas at 63/64.

ChainSecurity stated it is conducting responsible disclosure with the 13 affected projects while declining to publicly identify specific contracts.

ChainSecurity calculated that creating a new storage slot under proposed Glamsterdam rules could require up to 110,020 gas when state allowance is exhausted.