The hash value is the identity card of the file, but it is stricter than the identity card. Based on file size, time, type, author, machine, etc. In the blockchain, each transfer will generate a hash value, which is the id card of the transfer, through which the transfer information can be seen.
(1) GX platform can directly check the hash value of each transfer
Asset management -- withdrawal record -- withdrawal record -- withdrawal details -- view hash value
(2) in the corresponding block chain browser input your withdrawal or filling currency address, and then find the corresponding time and amount of transfer in the list, you can check the relevant transfer hash value.