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Ethereum

Questions tagged [zokrates]

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Use this tag for question about ZoKrates (Toolbox for zkSNARKs on Ethereum).

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Gas Limit exeeded (-3200 error) - verifier and Zokrates with Rinkeby

Gas estimation errored with the following message (see below). The transaction execution will likely fail. Do you want to force sending? gas required exceeds allowance (6995524) or always failing ...
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thread 'main' panicked at 'called `Result::unwrap()` on an `Err` value: MalformedVerifyingKey', src/libcore/result.rs:999:5

I saw Zokrates is tagged now here. I assume we can post here. I have the error below. Any idea what could be the cause? I am trying to implement a simple Zokrates program. The preceding steps all run,...
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In tutorial of ethereum zokrates, high-level code compile error

im trying to follow this tutorial - https://zokrates.github.io/sha256example.html I built zokrates docker provided and copied the source code to the docker, and then tried to compile the code. here ...
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ZK-SNARKS with ZoKrates - problems with proving the hash preimage tutorial

Just noticed today that ZoKrates has finally support for SHA256! I wanted to see it in action, so I followed the tutorial at https://zokrates.github.io/sha256example.html with a slight modification of ...