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FAQ

I got public key mismatch error in POST /v1/kv​

See ProofService FAQ.

Double check dataToSign.length part.

Does KVService rely on an existed Persona / binding on ProofService?​

Not really! You can use this as a storage for every secp256k1 keypair (platform == nextid && identity == "0xPUBLIC_KEY") without even using it on ProofService.

But, if you want to save data related to a specific account, we still encourage you to put it under precise platform and identity.

A typical case is, your DApp allows user to set different NFT avatar on Twitter and Github. In this case, platform and identity should be specified (instead of being put under an ambiguous avatar pubkey).