Integration of abstract account contract layer and virtual machine

The design of the multi-public chain hybrid architecture is based on the mainstream digital asset UTXO model. The general smart contract platform adopts the account model, because the smart contract as an entity needs an identifier, and this identifier is the address of the contract, so the operation and management of the smart contract You can use this address to operate. The account abstraction layer (Account Abstraction Layer, AAL) is added to the multi-public chain hybrid architecture model design, which is used to convert the UTXO model into an account model that can be executed by smart contracts. The role of AAL is shown in the figure below.