Ethena opens up whitelist users to use USDC for free to mint and redeem USDe

OKX has announced the addition of Contracts (MRK), Contracts (WMT), Contracts (MARA), and 5 other tokens to multiple services, including futures contracts, officially launching on 2026-08-27 at 17:30 (UTC+8). Notes: - MRK, WMT, MARA, TSLL, and NVDL stock perpetual contracts will be launched in batches from 17:30 to 18:30 on August 27, 2026. - TSLL and NVDL are leveraged ETF perpetual contracts, and the leverage multiplier significantly amplifies liquidation risks and losses. - The funding fee settlement cycle is 8 hours. If the rate reaches the upper or lower limit, the settlement frequency will automatically adjust to once per hour.

BlackRock executive Robert Mitchnick stated that due to increasing fiscal concerns, the macro demand for Bitcoin is strengthening, and the influence of regulatory factors has decreased. （Cointelegraph）

Blockstream has released a report evaluating three lattice based signature schemes, namely Dilithium, Falcon, and Hawk. The report points out that Hawk has been withdrawn, Dilithium signature and public key volume are too large, and Falcon has the best overall compactness, verification speed, and maturity assumption. If choosing a lattice based signature scheme for Bitcoin, Falcon 1024 is more preferred.

Charles Guillemet, Chief Technology Officer of Ledger, stated that the vulnerability in Ledger's Ethereum application was fixed and deployed by Donjon two weeks ago, and users can obtain protection by updating Ledger device firmware and applications.

According to Lookonchain monitoring, a certain address deposited 5 million USDC into Hyperliquid and shorted 8155 ETH and 247.6 BTC with 20 times leverage, with a total position value of 39.82 million US dollars.