Need:
Proof-of-Authority Ethereum network.
Goal:
Publication of document hash or smart contract
PoA is an open Proof-of-Authority Ethereum network.
Hash the data for you and store the data for later retrieval.
Then it groups its hashes into a Merkle tree and anchors that tree on the Ethereum and Bitcoin blockchain.
Does anyone have a solution?
Hire me . I can do this in 30 min . From your project description. I believe you are willing to set up a private blockchain with ethereum poa . Please take a look at my profile for more information .