Michael Saylor sells Bitcoin again

Jianan Technology authorizes the management to sell some digital assets for the purpose of repurchasing American Depositary Shares under a share repurchase plan approved by the board of directors, which will take effect on December 12, 2025.

[Ethereum Infrastructure Company Blockspace Established and Completes Funding Round] Ethereum infrastructure company Blockspace has announced its establishment and the completion of a new funding round. This round was led by BlueYard, with participation from ether.fi Ventures, Quasar Builder, Sharplink, Breed VC, Luganodes, Stakely, and other institutions and individuals. Blockspace generates revenue by operating Ethereum infrastructure and staking ETH, with an ETH holding cap set at 15% of the total staked amount across the network. Blockspace provides full-time team and commercial resource support for the open-source project Blockspace Forum.

Stablecoin infrastructure provider Yellow Card has completed a strategic financing of $40 million, with investors including SC Ventures under Standard Chartered Bank and Sony Innovation Fund Polychain Capital、Blockchain Capital， The funds will be used to expand Yellow Card's end-to-end USD account service for businesses, the Global USD Account, and to expand stablecoin channels connecting global markets.

According to Fortune, Cloudflare has launched an identity authentication tool and digital wallet service for AI agents, supporting AI assistants to represent users in online shopping and payments. The service provides AI agents with a verifiable permanent network identity, and the wallet supports recharging through bank transfers and converting funds into stablecoins pegged to the US dollar. Users can authorize AI agents to use the wallet to complete shopping payments.

A migration wave followed a $292 million Kelp bridge exploit, with announced LayerZero-to-Chainlink moves now totaling $14.5 billion.