Goldilacks is designed to innovate the gold trading market. Goldilacks is a utility token for a blockchain-based Peer to Peer (P2P) gold trading brokerage platform(Eldorado). Goldilacks Token is designed to dramatically reduce potential risks and trust fees in a transaction when P2P trading for gold.Goldilacks is used as a transaction fee in P2P trading for gold, which is the only currency consumed for the creation and bidding of gold transactions and operates as an incentive for users in the required service. It also works as an incentive currency that processes transactions in Dapp and presents the purpose of creating blocks from the perspective of data verifiers. Goldilacks provides the platforms with a function as a single currency which helps to operate their product stably. It also helps to reduce the cost of endpoints drastically, distributing ecological rewards-based transactional advantages to users, which lowers costs of trust in the service as a result.