Bitcoin exchange Vault of Satoshi today launched a full public proof-of-solvency service for its customers, saying it is the first digital currency exchange in the world to do so.

The “unapologetically Canadian” company has embarked on a string of compliance and transparency initiatives in the past months. In March, it received a full Money Services Business licence to operate in all provinces of Canada and serve international customers in listed countries.

Vault of Satoshi (VoS) said its new proof-of-solvency system is “not just an audit”, but provides full proof via cryptographic trees that it holds all the bitcoins it claims to have in reserve.

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