@BorisK your function converts an existing private important to your general public vital. But not each random hex string can be a ED25519 private essential. A DApp has its backend code managing with a decentralized peer-to-peer network. Contrast this using an app in which the backend code is managing on https://tronsuffix21087.topbloghub.com/34118169/manual-article-review-is-required-for-this-article