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Flash

first_img Lighter average block proof time decreased from 5.3 minutes to about 1 minute

The decentralized perpetual contract protocol Lighter announced that its average block proof time has decreased from about 5.3 minutes to about 1 minute over the past month. This progress was achieved through two independent optimizations launched on July 23 and August 23. Lighter can now complete block verification faster, thereby increasing processing capacity, reducing infrastructure costs, and creating space for further expansion.The first optimization is the Heavy/Light decomposition. This solution splits the transaction circuit into light circuits and heavy circuits, allowing simple quote updates, which account for the vast majority of transactions, to only pay for light constraints, thus halving the proof time. The second optimization comes from the Prover backend optimization brought about by the proof competition held in collaboration with Eigen Labs, which again halves the proof time under the same circuit conditions. The first batch of optimizations went live on August 23, with more batches still in progress. Additionally, on August 10, all Schnorr signature verifications were incorporated into a single Plonky3 proof for each block, resulting in approximately a 20% improvement.The above optimizations are orthogonal and their effects are cumulative. The remaining competition optimizations are expected to bring about an additional 2x improvement, potentially reaching a total of about 10x compared to mid-July. Currently, Lighter's sustained processing capacity has exceeded historical peak loads, and the finality limit for withdrawals has been reduced from about 21-22 minutes to about 16-17 minutes, maintaining stability during peak traffic periods.

Analysis: The average time from Tether's freeze proposal to execution exceeds 2 hours, allowing high-risk addresses to transfer funds by taking advantage of the time difference

FlashRescue co-founder @DarcyAri posted on the X platform that recently, during a joint investigation with partners on a case, Tether experienced a transfer of funds from one address during the execution of a proposal to freeze addresses, resulting in a decrease in the frozen amount. Further review by FlashRescue revealed that this is not an isolated incident. As of August 3, 2026, through an analysis of 2,955 Tether freeze events on the Ethereum and Tron networks, it was found that among addresses involved in risks such as entity sanctions, fraudulent activities, money laundering, FATF blacklist jurisdictions, and malicious attacks: 60 addresses cleared their assets and completed front-running transfers before the formal execution of the freeze, with a total net outflow of 20,429,847 USDT, starting transfers an average of 13 minutes and 59 seconds after the freeze proposal was submitted, and completing the main fund transfers within 15 minutes and 15 seconds; additionally, 113 addresses transferred some assets before the freeze was executed, involving approximately 35,524,300 USDT.The average time from the submission of the freeze proposal to the formal execution of the freeze by Tether is 2 hours, 16 minutes, and 15 seconds, indicating a long time window between the public announcement of the freeze proposal and its actual execution. On July 3, a cluster of addresses transferred funds continuously within minutes and then split the transfers to the same address. The above cases suggest that some high-risk addresses may be actively monitoring Tether freeze proposals and utilizing the time difference between the public announcement of the proposal and the actual effectiveness of the freeze to implement front-running transfers. This mechanism leads to the failure of freezing the involved funds and undermines the actual effectiveness of sanctions, anti-money laundering, and law enforcement cooperation measures.

Coinbase releases Q2 Solana validator node operation report: 41.63 million SOL staked, with yield and stability exceeding network average

Coinbase released its Solana validator node operation report for the second quarter of 2026, stating that its operated Solana validator nodes outperform the network average in terms of yield, stability, and infrastructure distribution.Data shows that Coinbase currently stakes approximately 41.63 million SOL through 23 validator nodes, accounting for 9.72% of the total staked amount on Solana, with nodes distributed across 7 countries, including the United States, the United Kingdom, Germany, Japan, Singapore, and others.Key operational data is as follows: Staking scale: 41.63 million SOL, accounting for 9.72% of the total staked amount; staking yield: Q2 2026 APY is 6.52%, higher than the network average of 6.38%, leading by 14 basis points; block skip rate: 0.035%, lower than the network average of 0.136%, about one-fourth of the network average.Coinbase stated that its validator nodes adopt a multi-client architecture, currently running 4 clients including Harmonic, Jito, JitoBAM, and Firedancer. All solutions have been reviewed by the Solana Foundation, and aggressive MEV time strategies that may affect user experience are not used.In terms of infrastructure, Coinbase has deployed its validator nodes on two independent bare-metal service providers and configured off-site backups for each node to reduce single points of failure risk. At the same time, the company stated that it has migrated the entire validator node cluster to the DoubleZero network, achieving approximately 99.9% session availability.Coinbase also revealed that it is preparing for the Alpenglow consensus upgrade expected to be advanced by Solana later in 2026, including running community test nodes, developing new consensus health monitoring tools, and completing related voting account upgrade verification.
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