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Due to the detection of increased attempts of network attacks, the Indonesian cryptocurrency exchange Indodax has temporarily suspended user deposits and withdrawals to conduct security assessments and risk mitigation work.The platform stated that currently, user asset security is intact, and no unauthorized withdrawals or data breaches have been detected. The deposit and withdrawal services will resume once the system security is confirmed, and further updates will be released through official channels.

Alphabet CEO Sundar Pichai stated that the new AI model Carbon is being launched first to cybersecurity partners.

Cryptocurrency hardware wallet manufacturer NGRAVE has issued a security warning, stating that it is currently facing a high-level cyber threat, and the team is actively monitoring and taking countermeasures.NGRAVE reminds users to be vigilant against phishing attacks carried out through SMS, email, counterfeit websites, and fake customer service, emphasizing that the official team will never ask users for their recovery mnemonic or Perfect Key. NGRAVE states that users' private keys are stored offline in the ZERO hardware device, and as long as the mnemonic has not been entered on a phone, computer, or webpage, related phishing attacks will not jeopardize the security of the private keys. The official recommends that users manually enter the official website domain name to avoid accessing phishing links.

On October 27, SUN announced the completion of the 52nd round of $SUN buyback and destruction, with a total of 7,232,977.17 SUN being repurchased and permanently destroyed. The funds came from a portion of the protocol revenue generated between July 25, 2026, and October 25.As of this round, the total amount of SUN destroyed has reached 685,780,165.49, of which SunSwap V2 has cumulatively destroyed 388,023,868.41, SunPump has cumulatively destroyed 285,879,914.81, and SunX has cumulatively destroyed 11,876,382.27. The buyback and destruction mechanism continues to advance and is gradually becoming an important support for the long-term construction of a sustainable token economy and ecosystem for SUN.

Bitcoin security expert Jameson Lopp stated that cyber attacks are growing along an "exponential" path. He pointed out that the number of vulnerabilities discovered in the past two and a half months has increased exponentially, with attackers being the first to adopt unreviewed AI models, and security researchers "failing to get adequate rest."Lopp explained that Bitcoin Core has adjusted its security policies because AI can discover vulnerabilities through simple prompts; security measures need to shift from annual audits to real-time defenses and be embedded in the development process. He also analyzed a PHP remote code execution vulnerability, believing the actual impact to be less than expected.Additionally, Lopp mentioned that Google's estimate of 500,000 quantum bits involves the difference between physical quantum bits and logical quantum bits; if the quantum threat time window is less than ten years, the industry will be at a disadvantage. Currently, there are only a few hundred available quantum bits, and quantum upgrades will take years due to Taproot, consensus rules, and untested cryptography. About 30% of addresses have exposed public keys, and attackers will prioritize targeting these addresses; unpatchable hardware issues and "wrench attacks" have exceeded 700 cases.

The Sun Wukong ecosystem will hold a deep roundtable discussion themed "When DeFi Moves Towards Global Open Finance: From JUST Brand Upgrade to Multi-Token Deflationary Mechanism, How Does the TRON Ecosystem Build a Long-Term Growth Flywheel?" on October 27 at 8 PM at X Space.This event will focus on the ongoing exploration of the JUST brand upgrade and the multi-token buyback and burn mechanism, delving into the growth drivers for the next phase of DeFi. Invited industry KOLs will jointly analyze whether buybacks and burns can truly form long-term value support, and how to combine real business, user demand, and ecosystem activity when DeFi is no longer limited to a single product, allowing business growth and token economics to form a virtuous cycle, exploring sustainable growth models for the TRON ecosystem.

JUST released an open letter to JST holders and launched the JST 2026 Q3 and October key progress report. The letter pointed out that a total of 1,881,973,007 JST has been repurchased and destroyed over five rounds, accounting for 19.01% of the initial maximum supply, with approximately 118.15 million USD invested in repurchase and destruction. JUST DAO upgraded the JST repurchase and destruction mechanism in October, which will shift to being based on sustainable ecological income, and plans to invest approximately 20.34 million USD of excess funds into repurchase in four phases starting from Q4 2026, while retaining at least 50 million USD as a treasury safety reserve.The report also showed that JustLend's quarter-end TVL remained above 7 billion USD, with approximately 21.24 million transactions in GasFree Q3. As the repurchase funds shift from historical income reserves to sustainable ecological income, the deflationary path of JST and ecological growth are gradually forming a closer linkage.

JUST announced an upgrade to the buyback and destruction mechanism for JST. After completing the fifth round of buyback and destruction, the mechanism officially enters a new phase: governance will be unified by the JUST DAO, and a reserve fund of no less than 50 million USD will be established for risk mitigation, emergency redemptions, and liquidity support, to enhance the mechanism's risk resistance and execution stability.On the buyback side, it will shift to being executed based on the quarterly sustainable income of the JUST ecosystem, forming a normalized arrangement of long-term buybacks and regular destructions, making the scale of buybacks more closely tied to the actual income of the ecosystem.In addition, the remaining surplus funds above the reserve threshold, approximately 20.34 million USD, will be released in four phases starting from Q4 2026 to supplement the buyback, ensuring long-term deflation and stability of the mechanism. The complete announcement and implementation details can be found through official channels.

The International Criminal Police Organization stated that Operation Serengeti III took place from June 29 to August 31, 2026, across 21 countries, resulting in the arrest of 1,462 suspects, the dismantling of 10,909 malicious networks, and the recovery of over 105 million dollars in illegal funds. The investigation also confirmed that 65,929 victims were attacked by cybercrime gangs, with related losses exceeding 385 million dollars.This operation focused on combating online fraud, ransomware, business email compromise, online scams, and digital extortion. In specific cases, the Ugandan police dismantled two transnational fraud gangs and arrested 365 foreign nationals; Angola seized two illegal cryptocurrency mining centers, arrested 9 individuals, and confiscated over 2,000 mining machines; in Nigeria, another case involved over 2.4 million dollars in suspected criminal proceeds, a significant portion of which was laundered through cryptocurrency transactions.

The U.S. Securities and Exchange Commission (SEC) announced the inspection priorities for the fiscal year 2027, continuing to conduct risk-oriented inspections of over 34,000 registered entities, focusing on investment advisors, funds, brokers, clearing agencies, and other market participants.The SEC stated that the fiscal year 2027 will focus on the fiduciary duty and conflicts of interest of investment advisors, retail investor protection, private funds and private credit, brokers' anti-money laundering and transaction supervision, operational resilience, and cybersecurity, among other areas. Emerging technologies and market infrastructure are also listed as priorities.Among these, the SEC will pay attention to the impact of advanced technologies, including "superintelligence," on market operations, compliance, fraud prevention, and investor protection, while also assessing the risks brought by government bond clearing reform, tokenization, and related changes in market structure.

In a live broadcast in the third quarter, Aave founder Stani stated that Aavenomics 3.0 will include AAVE buybacks, staking, and burning.The AAVE buyback was suspended the day after the rsETH vulnerability incident on April 19. Since then, the DAO has committed to providing 25,000 ETH to DeFi United to compensate for the losses and has arranged for Mantle to provide a credit line of up to 30,000 ETH. Before the buyback was suspended, there was a proposal in the forum suggesting to reduce the annual buyback budget from approximately 50 million dollars to 30 million dollars.

According to Bybit's announcement on October 22, its Dubai entity Bybit Fintech FZE has obtained a Virtual Asset Service Provider (VASP) license issued by the Dubai Virtual Assets Regulatory Authority (VARA), covering the scope of cryptocurrency spot trading.Bybit established its international headquarters in Dubai in 2022 and received preliminary approval from VARA in 2024. Bybit's Chief Legal and Compliance Officer Peter Loo stated that the company plans to apply for an expansion of the license scope to include derivatives trading in the future, but further approval from the regulatory authority is still required.

Dragonfly Managing Partner Haseeb Qureshi stated that there is a wave of attacks in the cybersecurity field that is "similar to the COVID-19 pandemic." He believes that on-chain hacking incidents are the "canary in the coal mine" for cybersecurity, as on-chain is the easiest place for cyber attacks to be monetized.He cited data from DefiLlama Research indicating that the number of on-chain hacking incidents has surged, but the annualized scale of stolen amounts is roughly equivalent to that of 2025, with losses per incident decreasing. He noted that most small protocols have been compromised, while large protocols are strengthening their defenses with AI tools. He anticipates that similar situations will also arise in the broader internet space.

The GMX governance forum has released the GMLabs-003 proposal, which plans to use all remaining protocol revenue after the GT buyback on the Solana side to repurchase GMX. The purchased tokens will be added to the staking rewards pool, and the GT buyback mechanism will remain unchanged.The proposal also intends to introduce a 180-day unbonding waiting period for existing and new GMX and esGMX staking positions on Arbitrum and Avalanche, calculated from the submission of the unbonding request, with the previously staked time not counted. Pending requests can be canceled, and existing positions do not need to be migrated. The above adjustments are scheduled to be implemented on October 28, depending on the readiness for implementation.

Vitalik Buterin posted on the X platform stating that he does not predict that defense will automatically lead over offense, but believes that cybersecurity will ultimately trend towards a favorable outcome for defense, although the transition process will be very difficult.He pointed out that "good people discovering vulnerabilities in released software before bad people" does not belong to a game where defense has the advantage. To truly tilt the game towards defense, a deeper methodological shift is needed, including formal verification, radical reduction of the Trusted Computing Base (TCB), etc., and currently, these shifts have only just begun. He also stated that this is an important reason for his friendly attitude towards slowing down or pausing AI development, and called for investing more than 1% of GDP into cybersecurity, biosecurity, and the fortification of the physical world.

Tesla (TSLA.O) executives stated that the Cybercab will be launched in Dallas next month.

According to CoinDesk, Bybit CEO Ben Zhou stated that Bybit plans to collaborate with local established companies when entering the U.S. market to challenge platforms like Robinhood in market coverage. Zhou mentioned that seeking partners is a standard practice for Bybit when entering new regions, and the U.S. market may consider collaborating with companies like Interactive Brokers (IB).He said, "At this stage, it is best to partner with those who wish to enter the crypto space and already have a customer base in the U.S., such as IB or similar companies that have not yet ventured into crypto but have a quality U.S. customer base."Bybit is the second-largest cryptocurrency exchange in the world by trading volume, with over 80 million registered users in more than 180 countries and regions. The exchange is continuously acquiring licenses globally to offer a range of new regulated products. In Europe, Bybit plans to launch a "super app" covering derivatives and tokenized stocks as early as the first quarter of next year. Through partnerships, Bybit can avoid the cumbersome process of applying for money transfer licenses state by state like Coinbase, which can take two to three years.Zhou suggested waiting for the Clarity Act to pass or for a clearer understanding of new laws, at which point the SEC may provide unified regulation, allowing a single license to cover federal levels. He also pointed out that the U.S. market is highly competitive and becoming saturated, with Coinbase's position solidifying and Robinhood's importance rising. In contrast, the UK remains a less concentrated and underdeveloped market, but the entry costs are high, comparable to the EU's MiCA license.Zhou revealed that earlier this year, he was invited to meet with the UK's Financial Conduct Authority (FCA) and relevant institutions in the House of Lords. Bybit is looking for an office location in London but has not yet determined a specific site.

According to a report by the Korean News Agency, the storage chip manufacturer SK Hynix completed a large-scale stock buyback on the 21st, following Samsung Electronics in completing the related operation. The company stated that it completed a stock buyback worth 40 trillion won on the Korea Exchange, which lasted for two months.Previously, SK Hynix announced that it would invest 40.0434 trillion won to buy back 24.07 million shares, all of which would be canceled after the buyback, accounting for approximately 3.3% of the total issued shares, and stated that this is the largest stock cancellation operation by a listed company in South Korea. The original buyback period was set from August 20 to November 19, but it was completed about a month ahead of schedule.

The developer of the Bitcoin yield platform HoneyB, Nectar Group, has completed a $5 million seed round financing, led by Portal Ventures, with participation from Peer Venture Partners, Anchorage Digital Ventures, an unnamed family office, and angel investors. Co-founder and CEO Josh Gordon stated that this round of financing uses a Simple Agreement for Future Equity (SAFE) plus a one-to-one token warrant structure, with a post-investment valuation of $30 million, and none of the investors received board seats or advisory positions.HoneyB aims to help Bitcoin holders earn yields on their holdings. In its first strategy, users borrow stablecoins using Bitcoin as collateral and then invest them in yield strategies involving U.S. Treasuries, fixed income, credit, gold, volatility, and options. The Bitcoin collateral can be held through on-chain smart contracts or by a tripartite arrangement consisting of borrowers, lenders, and custodians, with Anchorage Digital and BitGo providing custody services. HoneyB has also deployed infrastructure on Ethereum, Sui, Solana, and Arch Network. Gordon stated that the underlying investment products target an annualized return of about 10%, and HoneyB aims to provide users with an annualized return of about 2% to 4% on their Bitcoin holdings after deducting borrowing costs and fees.The first strategy will use a fund under Simplify Asset Management, which manages approximately $13.5 billion in assets, with Alphaledger responsible for managing and tokenizing the fund, and Amber Capital SPC as the issuer. Gordon named Bitwise, Lombard, Solv, and Sentora as competing platforms, noting that HoneyB's differentiation lies in integrating custody, lending, and investment services on the same platform, allowing institutional partners to offer their products under their own brand. HoneyB plans to launch in the fourth quarter of 2026, with its first product aimed at institutional investors outside the U.S., followed by plans to launch institutional products in the U.S. and retail products expected in the first quarter of 2027. Its business model involves charging a platform fee on deployed funds, and this round of funding will be used for product development, custody and financing integration, legal compliance, and distribution. Nectar was established in October last year and currently has more than 12 employees.