Method, Terminal and System for Splitting and Managing Digital Currency in Transaction

An electronic device, comprising:

• one or more processors;
• and
• a storage apparatus, configured to store one or more programs;
• the one or more programs are executed by the one or more processors to cause the one or more processors to implement following actions:
• determining a first transaction request, wherein the first transaction request indicates a digital currency to be transacted and first transaction information, and the first transaction information comprises a first transaction amount;
• generating second transaction information comprising a second transaction amount according to the first transaction information, wherein the second transaction amount is a difference between an available balance of the digital currency and the first transaction amount;
• respectively signing the first transaction information and the second transaction information by using a private key of the first terminal;
• generating a first trust chain according to the signed first transaction information and the digital currency, and generating a second trust chain according to the signed second transaction information and the digital currency;
• and
• sending the first trust chain to a second terminal, so that the second terminal and the first terminal achieve, according to the first trust chain, an offline transaction corresponding to the first transaction amount.

A computer-readable medium, on which a computer program is stored, wherein the computer program is executed by a processor to implement following actions:

• determining a first transaction request, wherein the first transaction request indicates a digital currency to be transacted and first transaction information, and the first transaction information comprises a first transaction amount;
• generating second transaction information comprising a second transaction amount according to the first transaction information, wherein the second transaction amount is a difference between an available balance of the digital currency and the first transaction amount;
• respectively signing the first transaction information and the second transaction information by using a private key of the first terminal;
• generating a first trust chain according to the signed first transaction information and the digital currency, and generating a second trust chain according to the signed second transaction information and the digital currency;
• and
• sending the first trust chain to a second terminal, so that the second terminal and the first terminal achieve, according to the first trust chain, an offline transaction corresponding to the first transaction amount.