It is an attestation.
The trusted attestor (UENJPVZ7HVHM6QGVGT6MWOJGGRTUTJXQ) posts a record that associates a username with the user’s BB address, the association is stored forever in the DAG.
If you want to get more technical, see our github repo https://github.com/byteball/username-attestation
To keep reading, please go to the original article at:
Stories by Byteball on Medium
This article was first published on: Stories by Byteball on Medium All content is synced from the rightful owners. Copyright on text and images belong to the original source. --