DETERMINING THE NUMBER OF CONFIRMATION BLOCKS IN A TWO-LEVEL BLOCKCHAIN WITH PROOF-OF-PROOF CONSENSUS PROTOCOL FOR DIFFERENT CONSENSUS TYPES IN MAINCHAIN/SIDECHAIN TO PREVENT DOUBLE-SPEND ATTACK. I. PoS IN MAINCHAIN AND PoW IN SIDECHAIN
L.V. Kovalchuk,
N.V. Kuchynska,
M.S. Kondratenko
Abstract:The paper investigates the issues of the safe operation of a two-level blockchain with a complex mixed consensus protocol — Proof-of-Stake in the main blockchain (mainchain) and Proof-of-Work in the secondary (sidechain). This two-level blockchain is built on the principle of the Proof-of-Proof protocol, where the safety of the sidechain is ensured by the stability of the mainchain, by referring the mainchain blocks to the sidechain blocks using special transactions. Such a structure allows faster issuance of … Show more
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