Cryptocurrency

Google Cloud outlined a preview MPC service for institutional #Bitcoin custody. Multiple parties can jointly authorize transactions without any one party controlling the full private key. cointelegraph.com/news/googl…

#Bitcoin briefly fell below $80,000 after the Fed held rates at 3.75%–4% and kept a hawkish tone. #Crypto futures liquidations reached $356 million, showing how macro policy can quickly punish leverage.

Itaú Unibanco became the first Brazilian bank to formalize #crypto trading and custody operations under the country’s new rules. The move, filed ahead of the Oct. 30 deadline, brings regulated digital-asset services deeper into traditional banking.

Bithumb is investigating a data leak after hackers breached an internal employee system. The exchange says its trading platform was separate and customer assets could not be accessed. Possible member-data exposure remains under review. cointelegraph.com/news/bithu…

Hyperliquid plans to make Kraken parent Payward its first CFTC-regulated HIP-3 deployer. The testnet model uses on-chain allowlists and could support regulated U.S. perpetual futures, subject to approval.

South Korea is considering delaying its 22% tax on crypto gains from 2027 to 2029, citing gaps in cross-border trading data. Parliament must approve the change, with a final decision expected by early December.

Zcash co-founder Sean Bowe proposed ending the automatic 8% allocation to community grants and moving it to a reserve for future miners. He estimates the grants program holds about $125M after commitments; the rule change still needs approval.

Aviva Investors launched a tokenized share class of its £22B Sterling Liquidity Fund on XRP Ledger and seeded it with £50M. It is the asset manager’s second tokenized money-market fund on the network.

#Bitcoin ETFs took in $110M Monday after $774M left over the prior two sessions. October still shows about $202M in net outflows, so the rebound has not erased the month’s broader weakness. cointelegraph.com/markets/bi…

Spanish investigators say Arbistar-linked wallets recorded more than 20,000 BTC in inflows and outflows during early 2021, worth over $1.1B at the time. The newly reported tracing shows how #Bitcoin data can aid long-running fraud cases. news.bitcoin.com/market-upda…

Mizuho estimates AI assistants could create a 10%–20% medium-term downside risk to Circle’s reserve revenue by steering USDC holders toward higher-yielding alternatives. It cut its price target from $45 to $43; this is an analyst scenario. theblock.co/news/business/20…

Solana’s Firedancer team now requires a permanent 1 SOL burn for each bug report after a contest drew 809 submissions but only 127 unique findings. The goal is to deter AI-assisted spam; critical Alpenglow bugs can earn up to $300K.

#Ethereum developers patched a Glamsterdam flaw that could have credited builder and validator deposits to the same party, putting staking-service funds at risk. No losses were reported; clients must adopt the revised rules before mainnet.

Santiment data shows roughly 30,000 fewer nonempty #Bitcoin addresses in 10 days, leaving about 59.95M. It may reflect retail capitulation, but addresses are not the same as investors and the shift does not confirm a market bottom. news.bitcoin.com/market-upda…

BitMine added 10,452 ETH last week, bringing its treasury to 6.05M ETH—about 4.95% of circulating supply. It says 5.23M ETH is staked and 2026 share buybacks total nearly $400M.

Ripple received final U.S. approval to operate a national trust bank under federal supervision. It will manage RLUSD reserves and offer institutional custody, bringing more crypto infrastructure into the regulated banking system.

Canada opened a 60-day consultation on stablecoin rules. The draft requires 1:1 reserves, three-business-day redemptions and a 1% fee cap. Holding-based yield would be banned, while transaction rewards could continue.

Strategy made no #Bitcoin purchases last week and spent $204.9M repurchasing STRC preferred shares. Its holdings stayed at 848,517 BTC while available USD Cash fell 46% to $242.4M, highlighting a shift from accumulation to capital management. cointelegraph.com/news/strat…

Foundation says compromised API keys let attackers send phishing emails using real customer details and a fake Passport recall. The company says it revoked the keys and that devices and funds were not compromised. news.bitcoin.com/security/ha…

One trader placed a $68M bet on #Bitcoin topping $90K after the U.S. midterms. Yet short-dated Deribit puts remain pricier than calls, showing demand for downside protection. One large position is not consensus.