PalletOne light node has implemented UTXO data synchronization for the specified accounts, and can query the balance and transfer function of the specified account under the light node. This implementation improves the function of the light wallet, allows more light nodes to access to the PalltOne network, thus providing "light wallet" function for more users.

UTXO (Unspent Transaction Outputs) is an unspent transaction output that is the basic unit in the PalletOne transaction process. In the PalletOne system, except that the creation unit and the later generated unit do not input the transaction for the mediator reward, the input of one transaction must be the output of another transaction that is not used, and the input also needs to be signed by the private key of the corresponding output address. Currently, the UTXO in the entire blockchain network is stored in each full node, and the light node needs to trigger a command to synchronize the UTXO data of the specified account to the entire node to execute the query and transfer function.