Colored Coin Exchange


Lykke appears to be taking a different blockchain path to startup Digital Asset Holdings – Lykke is going for colored coins, and the public blockchain that exists today.  Lykke has a nice white paper on its reasoning for colored coins, and presents a high level architecture highlighting the exchange usage:

Traders create an order by creating and signing a transaction to send x coins to the exchange, whereas x is the amount and type of coins they intend to sell. Unlike usual transactions, this transaction is not sent to the Bitcoin network, but to the exchange instead, along with additional information about the order (type, asset to buy, limit, etc.). As soon as the exchange receives a matching order containing a second transaction, the exchange creates a third transaction that sends the exchanged amounts to the two traders. These three transactions together form a trade and are sent to the Bitcoin network for execution. The third transaction is also sent to the two traders, so they can immediately reuse the proceeds for subsequent transactions. Unfilled or cancelled orders are simply discarded.

In some ways the exchange is similar to the Ripple Gateways.

~ by mdavey on September 20, 2015.

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