摘要：【中文】本公开提供了一种用于获取区块链交易签名数据的方法及装置。所述方法包括：在获取到企业用户的交易信息时，基于所述交易信息生成签名数据请求消息，所述交易信息包括所述企业用户的银行账号；将所述签名数据请求消息通过区块链企业端应用发送给所述银行账号的对应银行服务器；通过所述区块链企业端应用从所述对应银行服务器接收交易签名数据，所述交易签名数据至少包括数字签名，所述数字签名是在所述企业用户的密钥装置处基于所述企业用户的私钥和所述交易信息生成的；以及基于所述交易签名数据，生成区块链交易签名数据。 【EN】The present disclosure provides a method and apparatus for obtaining blockchain transaction signature data. The method comprises the following steps: when transaction information of an enterprise user is acquired, generating a signature data request message based on the transaction information, wherein the transaction information comprises a bank account number of the enterprise user; sending the signature data request message to a corresponding bank server of the bank account through a block chain enterprise terminal application; receiving, by the blockchain enterprise-side application, transaction signature data from the corresponding bank server, the transaction signature data including at least a digital signature generated at the enterprise user's key device based on the enterprise user's private key and the transaction information; and generating blockchain transaction signature data based on the transaction signature data.