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.

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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.

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

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

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

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

Starknet's underlying ZK-STARK technology relies on hash-based cryptography and programmable accounts that allow adopting new signature schemes without a protocol upgrade.

Starknet aims to achieve full post-quantum security by 2027, two years ahead of Ethereum's projected 2029 target for quantum resistance.

Starknet relies on Ethereum for bridge messaging and blob data availability using KZG commitments and elliptic-curve cryptography, which StarkWare identified as post-quantum vulnerabilities that cannot upgrade independently while remaining a Layer 2.

BTCPay Server relies on a decentralized architecture where each business owner hosts its software on a private server and bears independent responsibility for securing their own infrastructure

BTCPay Server patched the August 2026 Lightning Network Daemon credential vulnerability in version 2.4.2 and restricted remote Lightning access following the August 2026 exploit

BTCPay Server hot wallets automatically store seed phrases on internet-connected merchant servers to automatically sign and approve payments without separate device confirmation

BTCPay Server urged operators running older software releases to update their installations to version 2.4.7

BTCPay Server reported that attackers logged in as administrators on compromised servers, while users running version 2.4.7 received no credible reports of hot wallet drains

BTCPay Server has no centralized master switch to disable vulnerable software, requiring the project to publicly instruct individual server owners to execute the ./btcpay-down.sh command

BTCPay Server instructed server operators to keep software turned off via the ./btcpay-down.sh command while asking affected users to submit server information and logs to its security team

BTCPay Server founder Nicolas Dorier stated that reports of hot wallets being drained on its servers involved software releases older than version 2.4.2, specifically targeting instances running version 2.4.1 or earlier released July 23, 2026

In August 2026, BTCPay Server confirmed an attack that exploited a software vulnerability in releases prior to version 2.4.2 to obtain Lightning Network Daemon credentials and steal funds