Abstract: The present invention relates to a quasi-decentralized financial investment system based on blockchain, comprising: a computer device in risk investment end used for providing a risk taker to execute high-leverage risk trading; a computer device in stable income investment end used for providing a fixed income holder to receive interest every month.; a quantitative platform, such as, mirror trading platform, escrow trading platform, storing selected investment strategy program used for executing high-leverage risk trading; and, smart contract including risk collateral module and investment interest exchange contract module, wherein the risk collateral module stores cryptocurrency invested by risk takers and fixed income holders, respectively, investment interest exchange contract module stores data of investment interest exchange contract rules, and the smart contract executes capital gains distribution stored in the risk collateral module according to the data of investment interest exchange contract rules.

Abstract: The invention provides a financial investment application algorithm trading method and system based on a blockchain smart contract, applicable to a blockchain network executing the smart contract, comprising: an user interface program in an investment end, a financial investment application program in a generation end, a financial instrument trading center for trading various generation products, a smart trading gateway managing generation accounts, and a smart contract. The financial investment activities and profit sharing constructed on the invention is automated according to the smart contract, and the trading terms of agreement are immutable, and all the activities are actively collected in the blockchain for viewing, which are traceable, immutable and irreversible, and enable the investment end and the generation end to execute profit sharing according to the smart contract, effectively preventing any respective parties from not executing contract and avoiding the risk of financial fraud.