'Take a Deep Dive Into Verkle Tree For Ethereum' by Sin7Y_Labs sin7y merkletree
Verkle Tree is a common Accumulator, which can be used to prove that one element exists in the Accumulators. Compared to Merkle tree, VerKle Tree has been improved a lot in the Proof size as a critical part of the ETH2.0 upgrade. The 23rd tech review by Sin7Y will demonstrate the principle of the principle. When it comes to data with the size of one billion, the Merkle Tree proof will take 1kB, while the Verkle tree proof only needs no more than 150 bytes.
Compared to Merkle Tree, Verkle Tree has been improved a lot in the Proof size as a critical part of the ETH2.0 upgrade. When it comes to data with the size of one billion, the Merkle Tree proof will take 1kB, while the Verkle Tree proof only needs no more than 150 bytes. The Verkle Tree concept was proposed in 2018 . The 23rd tech review by Sin7Y will demonstrate the principle of Verkle Tree.Before digging into Verkle Tree, it is important to understand the Merkle Tree concept. Merkle Tree is a common Accumulator, which can be used to prove that one element exists in the Accumulator as shown in the following figure:The verifier can calculate the Root according to the method shown in Figure 1, and then compare it with the expected Root .
It is predictable that with the depth and width of the Tree getting greater, the Proof size will also be larger As well, the verifier needs to conduct a great number of Hash calculations from the basic level to the upper level. Thus, the increase in the depth and width of the Tree leads to the increase in the verifier’s workload, which is unacceptable.
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