Terra is an algorithmic stable currency platform, which runs on Proof of Stake (PoS) built by Tendermint, which is the bottom layer of the blockchain of proof of rights and interests. LUNA is Terra's platform token, which is used to stabilize the issuance of TerraSDRs, price stability mechanism, and network governance. Users can use LUNA tokens to exchange for TerraSDRs stable coins, and vice versa. The price stability of such stable currency is guaranteed. Luna is the mineral currency of Terra DPoS blockchain, and Terra is supported by Luna. Therefore, miners provide stability and safety. In the exchange, the agreement provides stable mining incentives under all economic conditions by virtue of transaction fees and seigniorage. Terra is designing a price stable digital currency that will provide a driving force for the next generation blockchain payment network. Terra has established a global e-commerce alliance with continuous growth of users, bringing the low-cost advantage of blockchain transactions to businesses and consumers. Terra's goal is to combine digital currency with practical applications, grow into an innovative open platform for financial decentralized applications (dApps), and achieve real growth of the blockchain economy. Terra was founded by a group of business, financial and blockchain technology experts and has offices in Singapore and South Korea. The price stability mechanism of Terra system depends on the arbitrage behavior of users. For example, when TerraKRW, the stable currency of the benchmark Korean won, falls to 0.95:1.00 after the Korean won price comparison, users can use 95 Korean won cryptocurrency to obtain 100 TerraKRW on the trading platform, and then exchange it to Terra platform to obtain 100 Korean won LUNA tokens. If the price of TerraKRW exceeds 1 Korean won, users can exchange the LUNA token for TerraKRW, and then sell it on the trading platform for profit. Terra platform hopes that no matter whether the network economy is