Verification method and server

The invention discloses a verification method and a server. The method comprises the following steps: acquiring broadcast messages sent by a plurality of processing nodes from a blockchain network, wherein the broadcast messages comprises verification information; judging whether the to-be-verified number is stolen or not according to the verification information; under the condition that it is determined that the to-be-verified number is stolen, generating a stolen identifier; according to the embezzlement identifier and the to-be-verified number, generating and sending an alarm message to the blockchain network, so that each processing node processes an account corresponding to the to-be-verified number. Whether a to-be-verified number is stolen or not is judged according to verificationinformation, a stolen identifier is generated under the condition that the to-be-verified number is determined to be stolen, and an alarm message is generated and sent to a block chain network according to the stolen identif