System and method for cryptocurrency trading

A system for facilitating trading of cryptoassets through a plurality of different exchanges, wherein each transaction of a cryptoasset is recorded on one of a plurality of blockchains, the system comprising:

• a user computational device, wherein said user computational device operates a user interface;
• and
• a server in communication through a computer network, wherein said server operates a server interface, wherein said server interface:
• accesses each of said plurality of blockchains,
• receives a command to execute a transaction and transmits said command to said server interface,
• returns transaction information to said user interface to execute said transaction, said transaction information including smart contract information, such that said user interface causes said transaction to be executed through a plurality of smart contracts, including a primary smart contract and a handler smart contract, wherein said primary smart contract is operative for a first blockchain and wherein said handler smart contract is operative for a second blockchain, wherein said first and second blockchains are different, and wherein said user interface causes said primary smart contract to execute said transaction and said primary smart contract causes execution of said handler smart contract to cause execution of said transaction on said second blockchain.