Software as a service (SAAS) services featuring software for verifying and reconciling financial transaction records, namely, trade execution records, transaction fee records, and records of trading account gains and losses; software as a service (SAAS) services featuring software for generating and publishing reports concerning the accuracy of financial transaction records; software as a service (SAAS) services featuring software for monitoring and reporting differences between the market prices of digital tokens and the market prices of the underlying assets those tokens reference; application service provider (ASP) featuring application programming interface (API) software for retrieving financial transaction verification data.