币界网报道:Stackup, a crypto startup founded by former SpaceX senior mission manager John Rising, announced the completion of a $4.2 million seed round of financing, with investors including 1kx, Y Combinator, Digital Currency Group, etc. Stackup is committed to providing enterprises with an on-chain operating platform for "centralized control of decentralized assets", and its core functions are based on Account Abstraction technology.