Algorithm 2: Copyright Registration function of the content

Input: OwnerAddr, Name, IPFS_pc, Token, Proof

Output: ReviewResult_c, VoteResult_c, RegistrationResult_c

1 function CopyrightRes(OwnerAddr, Name, IPFS_pc, Token, Proof)

2 Check the Proof to ensure the proof record of the content has been

3 finished

4 if the Proof is incorrect then

5 return null, false

6 end if

7 Continue with the Review Process and Voting Process, assign the Token to Reward_R, Reward_v, and service fee

8 Let Reward_R ← Token for review

9 Let Reward_V ← Token for vote

10 Let Service fee ← Token for service fee

11 Call RequestReview SC for review, awaiting review by reviewers on the copyright review blockchain.

12 Call the Voting SC’s Vote function to request voters to vote on the current blockchain

13 After receiving the ReviewResult_c and VoteResult_c, aggregate them to generate the final RegistrationResult_c

14 if ReviewResult_c ≠ VoteResult_c

15 return null, false

16 end

17 else

18 Let RegistrationResult_c ← aggregate(ReviewResult_c, VoteResult_c)

19 end if

20 return RegistrationResult_c, true

21 end function