PalletOne has now implemented SPV Simple Payment Verification, which includes node data synchronization and payment verification. This implementation makes it possible to implement a highly efficient, low-load "light wallet" in a decentralized manner, and also solves the problem of dealing with very large-scale block data during payment verification.

Blockchain nodes mainly include full nodes, light nodes, and SPV nodes. A full node refers to a node that maintains a complete blockchain containing all transaction information; a light node refers to a technique in which a node locally only stores transaction data related to itself (especially disposable transaction data), but does not preserve complete blockchain information; The SPV node performs blockchain payment verification, not blockchain transaction verification. The goal is to verify whether a payment exists and how many confirmations are obtained. SPV is a very friendly payment verification method for ordinary users.