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Glonhui April 1st｜Jefferies has raised the target price of Delta Air Lines from $72 to $78, maintaining a "Buy" rating.

Foresight News reports that Ethereum Foundation cryptography researcher Antonio Sanso updated the latest progress on Ethereum’s quantum-resistant security at the EthCC[9] conference. He pointed out that quantum computers may pose a practical threat to the ECDSA signature algorithm in the mid-2030s. Currently, Ethereum has completed about 20% of its quantum-resistant preparations and plans to achieve full quantum resistance through the Lean Ethereum upgrade between 2028 and 2032.The main technical challenge currently faced is the signature size issue: the most lightweight post-quantum signature algorithm, Falcon, still has a signature size more than 10 times larger than ECDSA, and directly verifying Lattice-based signatures in Solidity incurs extremely high Gas costs. To address this, the research team has established two core technical paths: first, enabling users to upgrade wallet signature algorithms to quantum-resistant schemes via account abstraction without modifying the underlying protocol; second, introducing LeanVM to handle complex hash computations, and combining zero-knowledge proof to verify mnemonic ownership of addresses, ensuring asset security during migration. Antonio stated that he will host bi-weekly ACD post-quantum special meetings starting from February 2026. Currently, consensus clients such as Lighthouse and Grandine have launched experimental post-quantum testnets.

```htmlAccording to Golden Ten Data on April 1, Industrial and Commercial Bank of China’s Singapore branch, with the support of the head office and Shanghai Clearing House, successfully priced and issued 500 million RMB Free Trade Zone offshore bonds, which have been listed on the Singapore Exchange. This is the first Free Trade Zone offshore bond issued by Industrial and Commercial Bank of China, and also the first of its kind listed on the Singapore Exchange. Moving forward, Industrial and Commercial Bank of China’s Singapore branch will continue to act as an RMB clearing bank, enhance integrated service capabilities, participate deeply in the development of the Singapore offshore RMB center, and continuously inject new momentum into the internationalization of the RMB.```