Autonomous exchange via entrusted ledger token and transaction management

A cryptocurrency payment system comprising:

• one or more communication devices in communication with one or more financial institutions holding first currency for one or more first parties;
• one or more processor devices that determine an amount of a first currency for one or more cryptocurrency transactions, the one or more cryptocurrency transactions between the one or more first parties and one or more second parties;
• and
• one or more blockchain nodes of a blockchain, wherein the one or more blockchain nodes:
• after transfer of the amount from the one or more financial institutions, identify one or more tokens representing a second currency for the one or more cryptocurrency transactions, the second currency being a cryptocurrency;
• and
• store one or more blocks on the blockchain associating the one or more of the plurality of tokens to the one or more second parties to complete the one or more cryptocurrency transactions, wherein the one or more first parties never hold the second currency during the one or more cryptocurrency transactions.

A computer-implemented cryptocurrency payment method comprising:

• receiving a request for one or more cryptocurrency transactions from one or more client devices;
• determining an amount of a currency for the one or more cryptocurrency transactions, the one or more cryptocurrency transactions between the one or more first parties and one or more second parties, wherein the one or more first parties do not hold any cryptocurrency;
• storing a plurality of tokens representing a cryptocurrency at one or more storage devices;
• after transfer of the amount of the currency from one or more financial institutions, identifying one or more of the plurality of tokens for the one or more cryptocurrency transactions;
• and
• storing one or more blocks on the blockchain associating the one or more of the plurality of tokens to the one or more second parties to complete the one or more cryptocurrency transactions, wherein the one or more first parties never hold the cryptocurrency during the one or more cryptocurrency transactions.