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Token-Based Access Control
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DOI：10.1109/ACCESS.2020.2979746.png)
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Abstract
En 中文
Traditional centralized access control has some shortcomings in robustness, trustworthiness and circulation. Blockchains have the advantages of fault tolerance and trust. Smart contracts have the characteristics of automatic execution and flexible expansion. Tokens can well record credential information and transfer easily. In this paper, blockchain, smart contract and token are integrated and applied to access control to solve the shortcomings of traditional access control. First, access control, blockchain, smart contract and token are briefly described. Second, this paper proposes a solution by giving the general data structure of access control token, elaborating the equivalence, split, merge and verification algorithms of access control token, and explaining the system architecture of token-based access control. Last, this paper uses a token-based access control simulation system to verify that token-based access control has certain comparative advantages in robustness, trustworthiness, circulation, concurrency and so on.
Keywords:
Access control
Contracts
Robustness
Fault tolerance
Fault tolerant systems
Bitcoin
Access control
distributed control
distributed computing
blockchain
smart contract
token
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