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On October 22, the smart contract security company ChainSecurity announced that the Glamsterdam hard fork on the Ethereum Hoodi testnet has been postponed. Researchers stated that security impacts have been found in existing contracts and identified 13 real cases, and they are currently conducting responsible disclosure with the affected projects. The announcement requests teams to review the contracts, and the Ethereum Foundation is assessing the scope of the impact; the announcement did not name the projects, provide contract addresses, or give an alternative fork date.The related issues involve contracts that continue execution after capturing failed external calls. Under the reviewed gas changes, the failure handler may complete execution, whereas it would previously roll back due to gas exhaustion. The caller can deliberately provide insufficient gas to complete the target operation, but enough to allow the outer contract to record a permanent failure, causing operations that could have been retried to lose their recovery path.The technical disclosure reviews EIP-8037 and EIP-8038 from the version specification dated October 13, where the gas examples described are for proposed execution behavior. The state-gas reservoir will be fully passed with the call, and forwarding restrictions apply to execution gas, with gasleft() only reporting the execution balance. According to the reviewed rules, clearing storage slots that start at zero at the beginning of a transaction can replenish up to 97,920 execution gas; intermediary contracts may also credit back the accounted state-creation fees upon REVERT and return them to the caller.

The data analysis platform DefiLlama reported on Gate's latest reserve report for October 2026. The report shows that Gate's various reserve indicators performed impressively, highlighting its leading level in industry transparency construction.DefiLlama pointed out that, on the occasion of the launch of Gate Money two weeks ago, the latest disclosed reserve data from Gate shows that the total platform reserves have reached $8.688 billion, with customer net assets at $7.332 billion, and the overall reserve ratio has risen to 118.49%, continuing to stay above the 100% full reserve benchmark.In terms of core assets, the reserve of BTC is 25,727 coins, with a reserve ratio of 121.60%; the reserve of ETH is 449,042 coins, with a reserve ratio of 123.78%. Regarding stablecoins, the total platform reserves of USDT, USDC, USD1, and GUSD amount to $1.746 billion, with a comprehensive reserve ratio of 116.59%. Additionally, the reserve ratios for popular tokens such as GT, DOGE, and SOL have reached 129.00%, 106.76%, and 102.51%, respectively.Various asset classes maintain sufficient reserve coverage, reflecting Gate's long-term investment in asset reserve management and transparency construction, which also provides strong support for user asset security and the platform's long-term stable operation. The continuous growth of reserve scale and excess coverage also lays a solid foundation for the innovative business of financial integration at Gate Money.

The Iranian Revolutionary Guard Navy stated that if the United States continues to encourage ships to cross areas planted with mines, Iran's countermeasures may expand to U.S. bases in the region.

Bank Negara Malaysia announced the launch of a new generation of paperless securities depository system SSDS+, based on distributed ledger technology, supporting the issuance, custody, and safekeeping of tokenized debt securities, including Islamic bonds (sukuk). The platform can track the ownership and transfer of tokenized securities and connects to the real-time electronic funds and securities transfer system RENTAS+, completing the corresponding bond payment settlements with central bank currency.Bank Negara Malaysia stated that while SSDS+ is primarily designed for wholesale issuance, it also has the capability to support tokenized government bonds and corporate retail bonds. The announcement did not disclose the specific securities issued through the platform, nor did it publish relevant trading volume data.The launch of the platform is a follow-up initiative to the three-year asset tokenization roadmap announced in November 2025, which outlined pilot projects involving Islamic finance, supply chain financing, and programmable payments. In February of this year, Bank Negara Malaysia also tested the ringgit stablecoin and tokenized bank deposits through its Digital Asset Innovation Center, with participating institutions including Standard Chartered Bank, CIMB Group, Bank of Malaysia, and investment holding company Capital A.

The on-chain data platform DefiLlama announced a collaboration with the prediction market platform Trueo to launch a new prediction market settled with DefiLlama data, covering protocol revenue and the probability of vulnerabilities occurring.Revenue markets include protocol revenues from Hyperliquid, Pump, Aero, Uniswap, Collector Crypt, and Papertrade. Vulnerability markets cover DeFi hacking incidents and the probability of specific protocols being exploited, including whether Aave and Morpho will experience vulnerabilities this month, as well as weekly and monthly markets for the scale of the largest hacking events.Other on-chain indicator markets include the RWA market capitalization and DEX trading volume of Robinhood Chain, as well as who will have a higher TVL this weekend between Solana and Base.

The Iranian Revolutionary Guard stated that a super tanker carrying over 2 million barrels of crude oil exploded after hitting a mine in the southern part of the Strait of Hormuz.

Dmitry Gusakov, the engineering lead of the Ethereum liquid staking protocol Lido, warned at the developer conference ACDC #189 that the one-time builder access mechanism introduced by the Glamsterdam upgrade could interfere with the existing deposit protection logic of the staking protocol, leading to the hijacking of staking deposits. This issue involves multiple deposits sharing the same validator public key.According to Ethereum's current deposit rules, the first valid deposit determines the withdrawal credential, and staking protocols typically leverage this feature to prevent credential manipulation, such as initially depositing a small amount of ETH and then topping up the remaining funds once the expected credential appears. However, the special access mechanism introduced for builders by Glamsterdam may change the interpretation of subsequent pending deposits under the same public key during the fork transition period, putting the staking protocol at risk of a third outcome: the validator does not appear, and the deposited ETH is credited to the builder.Lido's proposed fix is to maintain the distinction between validator deposits and builder deposits during the one-time access process. However, core developers rejected this modification on the grounds of timing, mainly because the Sepolia testnet has already been activated according to existing specifications, and the Hoodi client version is also in preparation. Changing the behavior at this point could require redeploying Sepolia and conducting additional testing. The issue affects the access process during the fork transition period, rather than the ongoing deposit processing rules, but its consequences could impact deposits waiting in the queue.

According to the Ethereum Foundation's announcement on October 16, the Glamsterdam upgrade is scheduled to activate on October 26 at 17:42:48 (UTC), which is 01:42:48 on October 27 Beijing time, on the Hoodi testnet; at that time, the block Gas limit on Hoodi will also be increased to 200 million.This upgrade includes the embedded proposer and builder separation, block-level access lists, and Gas billing adjustments. The Sepolia testnet was activated on October 6, and the upgrade date for the Ethereum mainnet has not yet been determined. Node operators need to update the execution layer and consensus layer clients before the Hoodi activation.

The Iranian Islamic Revolutionary Guard Corps Navy stated: A super tanker carrying over 2 million barrels of crude oil exploded after hitting a mine in the Strait of Hormuz, causing a severe fire. The tanker turned off its positioning and radar systems, attempting to cross the strait under the protection of the U.S. military.The Iranian Revolutionary Guard warned that the Strait of Hormuz is closed, and violating vessels will face serious consequences.

The Iranian Islamic Revolutionary Guard Navy stated that the second super tanker hit a mine in the Strait of Hormuz. This evening, a tanker that violated regulations struck a mine in the southern waters, causing an explosion and fire in the engine room.The tanker, carrying crude oil, turned off its navigation system and entered an unauthorized channel in violation of navigation regulations. Since yesterday, three tankers have hit mines and caught fire in this area.

According to Catcher Predict monitoring, in the market prediction event "Dota 2: Team Yandex vs Team Spirit - BLAST Slam Playoffs" on Polymarket, the option "Team Yandex" in the sub-market "Match Winner" has experienced a sharp fluctuation in winning probability, dropping from 67.5% an hour ago to the current 49.5% (a fluctuation of 18%). Please note the impact of relevant breaking news.

According to Catcher Predict monitoring, in the market prediction on Polymarket for the event "Dota 2: Team Spirit vs PARIVISION - BLAST Slam Playoffs," the sub-market "Game Spread: PARI (-1.5) vs Team Spirit (+1.5)" has seen a dramatic fluctuation in the win rate of the "PARIVISION" option, soaring from 46% an hour ago to the current 67% (a fluctuation of 21%). Please note the impact of related breaking news.

According to the Iranian Tasnim News Agency, the public relations department of the Iranian Revolutionary Guard Navy stated that a violative supertanker carrying crude oil attempted to leave through a non-designated route in the Strait of Hormuz and struck a mine, resulting in an explosion.The statement warned that any violative tanker that ignores safety regulations will face the consequences of a fierce fire.

According to Catcher Predict monitoring, in the market prediction event on Polymarket "Dota 2: Team Yandex vs Team Spirit - BLAST Slam Playoffs," the "Over" option in the sub-market "O/U 2.5 games" has experienced a sharp fluctuation in win rate, plummeting from 45.5% an hour ago to the current 22% (a fluctuation of 23.5%). Please note the impact of relevant breaking news.

According to monitoring by Catcher Predict, the "Over" option win rate for the sub-market "O/U 2.5 games" in the event "Dota 2: LGD Gaming vs. Aurora - BLAST Slam Playoffs" on the prediction market Polymarket has experienced a sharp fluctuation, dropping from 46.5% an hour ago to the current 27.5% (a fluctuation of 19%). Please note the impact of related breaking news.

According to Catcher Predict monitoring, in the market prediction event on Polymarket for "Dota 2: 1win vs PARIVISION - BLAST Slam Playoffs," the "1win" option in the sub-market "Match Winner" has experienced significant fluctuations in win probability, dropping from 43.5% an hour ago to the current 24.5% (a fluctuation of 19%). Please note the impact of related breaking news.

Calamos Investments CEO John Koudounis reiterated his long-term bullish outlook on Bitcoin, predicting that the price of Bitcoin will reach $1 million by 2030. He stated that banks issuing loans backed by Bitcoin, the decrease in Bitcoin volatility, and new ETF products could open the door for the largest globally managed funds to enter the market.Koudounis introduced that Calamos decided to invest only after eight years of researching Bitcoin and launched the world's first downside-protected Bitcoin ETF, offering protection levels of 100%, 90%, and 80%. He also discussed the shift in financing from convertible bonds to perpetual preferred stocks, as well as the rising interest in Bitcoin from sovereign wealth funds and large banks.Additionally, he discussed the Clarity Act and Bitcoin's commodity attributes, capital controls, the issues of Cyprus and de-banking, and compared Bitcoin to gold, believing that Bitcoin's scarcity is superior to that of gold. He also pointed out that financial advisors still generally avoid Bitcoin.

According to Catcher Predict monitoring, in the market prediction event "Dota 2 Team Spirit vs Aurora BLAST Slam Playoffs" on Polymarket, the "Team Spirit" option in the sub-market "Game 1 Winner" has experienced significant fluctuations in winning probability, soaring from 55.5% an hour ago to the current 84.95% (a fluctuation of 29.45%). Please note the impact of related breaking news.

The next phase upgrade of Ethereum, Glamsterdam, was activated on the Sepolia testnet on October 6, completing block finality during the switch without any critical failures. This upgrade consists of the consensus layer Gloas and the execution layer Amsterdam, incorporating a total of 18 EIPs, designed with a gas limit of approximately 200 million, which is about 3.3 times the current mainnet limit of 60 million. The upgrade will not automatically raise the limit but will allow for larger blocks to be produced safely, with validators deciding whether to increase it.Key changes include EIP-7732, which embeds the separation of proposers and builders in the protocol, extending the time for most validators to check transactions from about 4 seconds to about 9 seconds; EIP-7928 requires blocks to include the touched state and updated values, facilitating client data prefetching and parallel validation; EIP-7954 raises the contract code limit from 24 KiB to 64 KiB; EIP-8037 increases the cost of creating new storage slots from 20,000 gas to 97,920 gas, while regular ETH transfers remain at 21,000 gas.The gas limit for the first relevant block on Sepolia was 60 million, reaching 200 million about 11 hours later and maintaining that level. Ethereum Foundation researcher Toni Wahrstätter stated that the speed at which various clients handle gas units has improved compared to before the upgrade, with Geth's execution time for a 40 million gas block reduced from about 115 milliseconds to about 30 milliseconds. The Hoodi testnet is tentatively scheduled for deployment on October 27, with the mainnet target set for the fourth quarter of 2026;

According to Catcher Predict monitoring, in the market prediction event "Dota 2: PARIVISION vs Team Yandex - BLAST Slam Playoffs" on Polymarket, the "Over" option in the sub-market "O/U 2.5 games" has experienced a sharp fluctuation in win rate, dropping from 48% an hour ago to the current 30% (a fluctuation of 18%). Please note the impact of related breaking news.