Author: 行政

A Bitcoin holder who wants less downside exposure today usually sells the asset or shorts a perpetual futures contract, taking on funding costs and liquidation risk. On-chain options offer a third path consisting of paying a fixed premium, keeping the Bitcoin, and handing the crash risk to whoever is willing to price it.Crypto built deep markets for owning assets and for leveraging directional bets, leaving mostly untouched an equally deep market for managing the risk of holding them.Options exchange Deribit has 85% market dominance for BTC and ETH options, and registered $2.5 billion in options volume in the past 24…

Key takeaways Ethereum traded sideways as mixed on-chain activity reflected uncertainty among investors. Whale wallets holding 10,000–100,000 ETH accumulated a net 130,000 ETH over the past week. Smaller wallet cohorts collectively reduced their holdings by approximately 360,000 ETH. Ethereum (ETH) continued trading sideways on Tuesday as whale accumulation was offset by selling among smaller wallet cohorts and subdued institutional demand. On-chain indicators reflect mixed sentiment, with larger investors returning to accumulation while other holders reduce their exposure near break-even prices. Ethereum whales accumulate 130,000 ETH Wallets holding between 10,000 and 100,000 ETH added a net 130,000 ETH over the past…

A newly proposed Ethereum staking reward cut, outlined in Ethereum Improvement Proposal 8361 (EIP-8361), would lower validators’ yield from 2.6% to about 1.2%, a 54% reduction phased in over 18 months. The mechanism is a burn: validators lose a larger share of their consensus reward as the total amount of staked ETH climbs, and the burned ETH disappears from supply.At the proposal’s saturation point of 60.25 million ETH staked, roughly half of supply, the burn would cancel the consensus issuance a correctly performing validator would otherwise earn.Priority fees and MEV sit outside it: the authors put that income at up…

Key takeaways Pi Network is testing a breakout from a short-term triangle near $0.085. RoboPay has added Pi Network as a payment partner for robot-based services. PI futures Open Interest increased to $8.82 million, indicating steady speculative demand. Pi Network (PI) edges higher on Wednesday as the token attempts to break out of a short-term triangle pattern near $0.085. The recovery comes amid improving momentum indicators, steady derivatives demand, and a new payment partnership with RoboPay. However, PI remains confined within a broader falling channel and must overcome resistance near $0.09 to establish a stronger bullish trend. RoboPay adds Pi…

The Coldcard hardware wallet exploit has resulted in the theft of at least 1,596 BTC from about 7,300 addresses as users continue moving funds from potentially vulnerable wallets.Galaxy Research said the confirmed losses came from three major attack waves and 14 smaller incidents.The firm has also identified a possible fourth wave that could increase the total to 2,055 BTC, worth about $130 million, but has kept those addresses outside its confirmed estimate pending additional victim reports.Coldcard Wallet Exploits Fund Movement (Source: Galaxy Research)At least 73 victims have contacted Galaxy’s head of research, Alex Thorn, for help tracing their Bitcoin. Those…

Boltz suspended its Bitcoin swap service indefinitely after sustained AI-assisted attacks overwhelmed its ability to safely maintain operations. The company said customer funds remained protected because its non-custodial design leaves users in control of their Bitcoin throughout swaps. Wallet providers relying on Boltz are working to restore affected services while refunds and customer support continue to operate. Boltz has halted its Bitcoin swap platform indefinitely after concluding that a wave of AI-assisted attacks had outpaced its ability to maintain the service securely. The non-custodial provider said swap services are suspended until further notice and it cannot estimate when they will…

U.S. spot Bitcoin ETF inflows rebounded to $170.1 million on Aug. 3 after a $265.4 million net outflow in the previous trading session on July 31. Seven of the 12 listed funds attracted cash, while five were flat. BlackRock’s IBIT accounted for nearly two-thirds of the total. The Bitcoin ETF inflow rebound reached more funds while remaining heavily concentrated.Farside Investors’ daily flow table showed IBIT at $111.4 million and Fidelity’s FBTC at $33.4 million. EZBC added $9.2 million, while BTCO took in $6.7 million and HODL drew $4.5 million. BITB and ARKB added $2.8 million and $2.1 million, respectively.BRRR, BTCW,…

Galaxy Research raised its confirmed tally to 1,596 BTC, more than US$100 million, taken from about 7,300 addresses as of Tuesday. A suspected fourth wave, which Galaxy holds with medium-high confidence and has not been confirmed through victim reports, would lift the total to about 2,055 BTC, or roughly US$130 million (AU$184.6 million). Coinkite’s advisory has not been updated since August 1 and still carries no loss figure, no victim count and no apology. At least 15 separate attackers are draining Bitcoin from wallets built with defective Coldcard firmware, Galaxy Research said Tuesday, lifting its confirmed tally to 1,596 BTC,…

Jim Cramer said on CNBC on Monday that he plans to sell his Bitcoin, five days after IBM chairman and chief executive Arvind Krishna answered his question about quantum computing on the same network. Google Quantum AI research published in March cut the estimated requirement for breaking Bitcoin keys to about 500,000 physical qubits, roughly 20 times fewer than earlier estimates. Blockstream chief executive Adam Back puts a cryptographically relevant quantum computer 20 to 40 years away, against Krishna’s three to four. Former hedge fund manager and CNBC host Jim Cramer said he plans to sell all of his Bitcoin…

American CryptoFed withdrew its second attempt to register the Locke governance token after the US Securities and Exchange Commission (SEC) staff found numerous material failures in its disclosure filing.The Wyoming organization submitted the withdrawal request on Aug. 3, preventing its Form 10 registration statement from becoming effective automatically on Aug. 15 while the staff’s concerns remained unresolved.American CryptoFed operates as a Wyoming nonprofit unincorporated association and describes itself as the successor to American CryptoFed DAO LLC. Related ReadingWyoming to recognize DAOs as legal entities under newly passed lawThe bill recognizes the blockchain-related aspects of DAOs and has attracted praise from…