[bisq-network/proposals] Certification for ownership of a bank account (#23)

[mpolavieja]

The thing is that government certificates are free and people are already using them, so it is an already working deployed infrastructure and very cheap for the users if they already have the free certificate.   It is thought not as a redundancy but as an alternative to the reputation system, so users that want to trade quickly could skip the reputation system delays by duly identifying themselves to their trading peers (which they are already doing by providing their SEPA details).

The initial idea was using a decentralized ID system (a la uPort), not using government digital certificates.  But since there is no working decentralized ID project, the only available infrastructure are private or government certification authorities.

Private certification authorities based on the cloudsignature consortium https://cloudsignatureconsortium.org/ which are equally valid than governmental issued ones are probably more secure as they require 2FA using One Time Passwords for each signature.  But private certificates have a cost around 20€-50€ a year. Spanish government certificates, for example, do not require 2FA to sign. 

Anyhow, both government or private certification authorities are centralized, I don´t like them that much.  But from a practical point of view, they could be useful.   I am working on a more formal and detailed proposal, I expect to have it ready this week. 

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