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Circle launched the CCTP rapid transfer prepayment fee model

According to official news, the Circle Cross-Chain Transfer Protocol (CCTP) now supports a fast transfer prepayment fee feature. Previously, the protocol fee would be directly deducted from the USDC transfer amount on the target chain; with this update, developers can pre-quote and collect fees using the native Gas token or USDC from the source chain before executing the transfer, thereby simplifying the fee handling for cross-chain transfers and ensuring that users receive the expected amount of USDC.It is reported that the prepayment fee mechanism mainly improves the predictability of fees in cross-chain applications. Users do not have to bear the reduction in the actual amount received due to additional deductions on the target chain; at the same time, the CCTP Quote API can uniformly calculate fees for different supported chains and integrate Fast Transfer and Forwarding fees into a single quote, so developers do not need to build systems to separately calculate multiple protocol fees. In addition, fees can be paid directly using the native token of the source chain, which will not reduce or affect the actual transferred USDC balance.Currently, the prepayment fee feature supports USDC transfers on all EVM chains covered by CCTP, but it does not support transfers initiated from Solana; transfers to Solana are still supported. Developers can obtain specific fee quotes through the Quote API and integrate this feature, and relevant developers can refer to the CCTP official documentation to build a more predictable cross-chain USDC transfer process.

first_img The dispute over AMC tokenized stocks is spreading, with intense debates in the industry about three issuance models

According to The Defiant, the dispute between AMC Entertainment CEO Adam Aron and Robinhood over tokenized AMC stock has escalated into a debate among tokenized stock issuers about which model should become the industry standard.Gabriel Otte, co-founder of Dinari, criticized Robinhood's synthetic tokens with Ondo as "worse for end investors than regular stocks," while Uniswap founder Hayden Adams compared it to early stablecoins, stating that it meets users' demands for programmability and 24/7 trading.Currently, three models are competing in the $2.91 billion tokenized stock market: Robinhood's stock tokens are debt securities issued by a Jersey entity, available only to non-U.S. persons; Ondo, xStocks, and Dinari hold the underlying stocks through regulated intermediaries and pass on economic benefits; Securitize and Superstate directly put company-registered stocks on-chain. The U.S. SEC's Division of Corporation Finance has legally defined the three models as of January 28. Data from rwa.xyz shows that the total scale of tokenized stocks reaches $2.91 billion, with a 14.4% growth over 30 days, and Ondo leads with $869.6 million.Securitize CEO Carlos Domingo also supports Aron's position, stating that he does not wish for others to create offshore derivatives of company stocks. Brian Huang, co-founder of Glider, believes that the trading venue is more important than the packaging format, as AMMs cannot guarantee users the best execution.

first_img OpenAI's new model Astra can autonomously discover and exploit software vulnerabilities, rated as "critical" in cybersecurity capability level

OpenAI stated that its upcoming Astra model can autonomously discover previously unknown software vulnerabilities and convert them into usable attack vectors without human intervention, making it the company's first model to reach the "Critical" cybersecurity capability level threshold. In a blog post released on Tuesday, OpenAI mentioned that according to its Preparedness Framework, reaching this level means the model can discover zero-day vulnerabilities and develop usable exploit code in hardened real systems without human involvement, or design and execute attacks based solely on a high-level objective.In testing, Astra achieved a 100% score in benchmark tests for developing exploit code based on known vulnerabilities and discovered two previously unknown vulnerabilities in another internal test. Additionally, the model successfully broke through a hardened browser sandbox and executed commands on the host machine, while gaining root access by exploiting multiple weaknesses in the operating system. OpenAI stated that it has delayed some of Astra's development progress to enhance security measures and plans to make its advanced cybersecurity capabilities available only to selected testers.This capability is particularly relevant to the cryptocurrency industry, as software vulnerabilities can be converted into financial losses within minutes. CoinDesk reported in June that increasingly powerful AI models can compress the process of searching code, discovering misconfigurations, and assembling attacks from days or weeks to machine speed. Security researchers noted at the time that the significant change was not the emergence of new categories of attacks, but rather the dramatically increased speed at which existing vulnerabilities are discovered and exploited.
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