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Techub News reports that token burning activities for Uniswap on Robinhood Chain have dropped to extremely low levels, with only about 4,000 UNI burned daily over the past few days, marking the lowest level since the burning mechanism was initiated on this chain. Overall, the daily UNI burn rate across various chains has also been at a historical low of 12,000 to 14,000 UNI per day recently. Earlier this year, the daily burn rate had peaked at nearly 190,000 UNI. This trend reflects a cooling in overall trading activity on the Uniswap platform. (U.Today)
Techub News, according to U.Today, Ripple Chief Technology Officer Emeritus David Schwartz explained that XRP tokens are not used in the XRP Ledger (XRPL) consensus mechanism. He detailed that the PoS mechanism had not yet emerged when XRPL was developed, and that using XRP to drive consensus would inevitably allow Ripple to control the mechanism. The XRP Ledger relies on a "stakeholder selection" mechanism, where participants choose validators they trust to reach consensus. According to his 2020 lecture, artificial mining or staking rewards are an attack on natural stakeholders, and the only reason to participate in the system is the hope that it operates reliably.
Techub News消息，Rootstock Labs发文称，eCash项目采用的「分叉空投」机制对比特币生态具有危害性。该机构指出，eCash无法与比特币合并挖矿而形成算力竞争，且仅部分实现交易重放保护，比特币交易在两条链上同时有效直至被主动打破。 与典型空投基于快照独立分发不同，eCash允许比特币交易在其链上重放。该机构认为，这种设计使项目方通过投资者资金支持开发，优先考虑技术部署而非实际用户采用，可能对比特币基础层属性产生负面影响。
Techub News, according to a report by The New York Times, the Trump administration is considering signing an executive order to establish a working group to review the compliance of AI models before their release, aiming to strengthen federal oversight of AI development and address ideological bias issues. This move marks an escalation in federal regulation, shifting from challenging state-level regulations to directly influencing AI deployment strategies. Analysts note that the new compliance requirements could affect the progress of Anthropic providing the Mythos model to the U.S. government.
Techub News reports that Base, an Ethereum Layer 2 network, has officially launched its first independent network upgrade, Base Azul, on the testnet, with the mainnet activation planned for May 13, 2026. This upgrade marks Base's first network-level update independent of the OP Stack, aiming to significantly enhance network security, performance, and developer experience. The core components of the Azul upgrade include enabling a multi-proof mechanism to improve architectural redundancy and establishing base-reth-node as the sole execution client to further optimize processing efficiency. Furthermore, Base will adopt the latest execution layer specification (Osaka) through Azul, ensuring its technical architecture remains highly consistent with the Ethereum mainnet. Officials emphasized that this upgrade is completely transparent to ordinary users, who do not need to take any action to benefit from the enhanced network environment. As a crucial step toward Base's technological independence, the release of Azul signals that the network is gradually building a differentiated competitive advantage among Layer 2 scaling solutions.
Techub News reports that Resolv Labs tweeted that it is investigating a security incident involving unauthorized minting of USR. The collateral pool remains fully solvent at present. There has been no loss of underlying assets. The vulnerability appears to be limited to the USR issuance mechanism. The top priority is to contain the situation, assess the impact, and ensure legitimate users are not affected.
Techub News reports that white-hat hacker @al_f4lc0n has raised concerns about Injective's bug bounty program. @al_f4lc0n claims to have previously discovered a "critical" vulnerability in the protocol. This vulnerability allowed any user to directly steal funds from any on-chain account without any special privileges, putting over $500 million in on-chain assets at risk. After submitting a report via Immunefi, Injective initiated a mainnet upgrade vote the following day to patch the vulnerability. However, the team provided no response in the subsequent three months. @al_f4lc0n revealed that a few days ago, Injective decided to award a $50,000 bounty, but they disputed the amount, stating that $50,000 is far below the maximum bounty of $500,000 for a critical-level vulnerability, and the $50,000 has not yet been paid. @al_f4lc0n announced that they will allocate 10% of future bug bounty earnings to continue publicizing this issue until Injective pays according to the standard.
Techub News reported, according to Cointelegraph, SEC Commissioner Hester Peirce delivered a speech at the SEC Investor Advisory Committee, calling on regulators to simplify the disclosure requirements for listed companies and advance an "innovation exemption" mechanism for tokenized securities. Peirce pointed out that listed companies expend significant resources preparing mandatory disclosure documents, but the related content often fails to effectively enhance the quality of information available to investors and may instead lead to information obfuscation. She believes regulators should avoid excessive intervention in the market. On the topic of tokenized securities, Peirce stated that SEC staff are continuing to advance research on a potential "innovation exemption" mechanism. This would allow for limited experimental exploration of tokenized securities during the assessment period under the current securities law framework. She also noted that blockchain systems hold the promise of enabling faster settlement and reducing reliance on traditional intermediaries in certain scenarios.
Techub News reports that Ethereum co-founder Vitalik Buterin stated that in the context of the increasing popularity of AI agents, cryptographic privacy technology is crucial for protecting users' API call patterns and behavioral data. He pointed out that even when using local AI agents, if external services can see all search or API call records, they can still infer the user's ongoing activities. Vitalik believes that a preliminary solution is to forward requests through a mixnet to hide the access source. However, service providers may require the introduction of anti-abuse mechanisms and a pay-per-call model due to potential DoS attacks. In reality, these payment methods often rely on credit cards or stablecoin systems lacking privacy protection. Therefore, he emphasized the need for cryptographic payment solutions with privacy attributes. He further pointed out that privacy protection needs to be considered from the "full stack" level, with the local AI agent layer being particularly critical. Vitalik compared it to the issue of healthy lifespan: if there are multiple damaging factors, addressing them one by one yields cumulative benefits; similarly, measures to reduce data leakage risks also produce such compounding effects.
Techub News reports, according to Cointelegraph, Ethereum co-founder Vitalik Buterin suggested improving the security and user experience of Ethereum wallets and smart contracts by introducing mechanisms such as "transaction simulation." Vitalik believes that security and user experience are not independent domains; both revolve around user intent, with the core being to ensure that the operations executed by the protocol align with user expectations. His proposed "intent security" solution includes: allowing users to view the simulated outcome of an operation before executing it on-chain, then choosing to confirm or cancel; additionally, introducing spending limits and multi-signature approval mechanisms, allowing execution only when user intent, expected outcome, and risk limits are consistent. This would lower the threshold for low-risk operations while increasing the difficulty of executing dangerous ones. Vitalik pointed out that defining user intent itself is "extremely complex," which is part of the reason why a "perfectly secure" solution does not exist. Vitalik stated that it is not a flaw in the machine or the designer, but rather that user intent itself is a complex object that even users find difficult to grasp clearly. A common feature of excellent security solutions is allowing users to express their intent in multiple, mutually corroborating ways, with the system executing operations only when these expressions are consistent.
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