Ethereum: Why does each block store a Merkle root?

Merkle Root Road in the Ethereum transaction test

As for the testing of blockchain ethereum transactions, one of the main components is the Merkle root. In this article we immerse why each block maintains the Merkle root and how miners use these roots to control the transactions.

What is Merkle root?

Merkle Root is an algorithmic combination of several Merkle trees that are data structures that reflect the transaction or block hash values. This allows you to effectively store and get a large amount of data without requiring a full copy of the data stored in the block.

How do miners check the transactions using the root Merkle?

In order to check the transactions, miners must ensure that this is in accordance with the rules described in the Ethereum Virtual Machine (EVM) instructions. Here are 18 conditions that control the transaction and why they rely on the roots of the Merkle:

1
Signature of transaction : Miner verifies whether the transaction has a valid signature using the ECDSA algorithm.

• Transactions data : Miniters verify whether transactions data complies with the rules described in the EVM Guidelines.

3
Merkle Root Transactions

: Miniters calculate the root of all Merkle transactions used to test the integrity of the entire block.

• Signature : Miner verifies whether the block has a valid signature using the ECDSA algorithm.

• Block data : Managers verify whether block data is in accordance with the rules described in the EVM instructions.

• Merkle Block transaction root : Minrach calculates all Hashs Merkle Root transactions in a block used to test the integrity of the entire block.

• BLACK HASH : Miner checks that the block has a valid hash using the SHA-256 algorithm.

8.

9.

• Root Transaction Data Merkle Transaction : Miniters calculate the root of each Merkle with data on transactions used to test the integrity of the entire block.

11.

• Signature test

  

  : Miner verifies whether block signatures correspond to the expected signature using the ECDSA algorithm.

13.

• Commercial Regulations : Miner ensures that transactions are properly arranged according to EVM guidelines.

• Consistency between blocks : Baník checks, whether there are irregularities or abnormalities between blocks.

16.

• Merkle All Block Root : Minrachis calculates the root of the entire block Merkle, which is used to test the integrity of all blockchain.

Conclusion

The use of Merkle roots in the Ethereum transaction test provides a stable and effective way to ensure the validity of transactions in blockchain. When relying on these roots, miners can quickly and accurately check the transactions without saving or creating a large amount of data. This is just one of the many reasons why Merkle Roots plays such an important role in maintaining the integrity and safety of the Ethereum network.

References

• Instructions of Ethereum Virtual Machine (EVM): [ -4843.

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