Questions tagged [merkleization]

Questions related to Merkle structures, trees, proofs.

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Using OpenZeppelin merkle proof library

I want to use the OpenZeppelin Merkle proof library, but I am not able to figure out the hashes I have to provide in the proof parameter in the verify function of the library. Let's say I have these ...
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Does it possible to perform Merkle root proof with filters?

I have a centralized e-commerce system with orders table inside. There are few order categories inside this system such as: Pending payment Pending shipping Pending delivery Completed Cancelled I ...
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1answer
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What is an SSZ partial?

What is an SSZ partial? What are its benefits and are there any existing similar concepts that would help in understanding it? Some references: https://github.com/ethereum/eth2.0-specs/pull/1184/...
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1answer
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What is SSZ SimpleSerialize and why was it developed?

We were looking at the latest spec and it didn't have much background information or explanation on what SSZ is trying to achieve. What are the key goals of SSZ? Examples of its serialization and ...
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0answers
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Merkle Audit Proofs of Certification vs. Ethereum Merkle Proofs

The following article explains the process of "Merkle Audit Proofs of Certification". (Link to the article) Is the process the same as "Merkle Proofs in Ethereum" ? If their process is not the same, ...
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Any known implementations for on-chain merkle proofs of historical balances?

I know it is possible to verify historical ETH balances (for the last 256 blocks) using a merkle proof on-chain - are there any known implementations? NB - I'm looking for Solidity code (i.e. on-...
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1answer
50 views

Merkeling in Ethereum

I am currently facing the challenge to prove that a transaction is mined into a block. Dose anyone know libraries/tools that do this kind of thing? e.g.: create a proof that can be validated offline ...
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4answers
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Proving the Existence of Logs to the Blockchain

To preface this: I'm not entirely sure this question makes any sense. Just a thought I had that I wanted to check the feasibility of. I'm pretty sure it is possible to use a Merkle proof to show that ...