transcation_output
+transcation_hash+output_hash
block
+previous hash+merkle root+...
output
+output_hash
ipfs
file
+file_hash
transcation
+transcation_hash+...
transcation_input
+transcation_hash+input_hash
transcation_file
+transcation_hash+file_hash
block_transcation
+block_hash+transcation_hash+...
input
+input_hash+index
