Ethena (ENA) vs Rain (RAIN)

Ethena is a synthetic dollar protocol built on Ethereum, offering USDe, a crypto-native dollar alternative that's different from traditional fiat stablecoins. USDe maintains its peg through delta-hedging Bitcoin, Ethereum, and Solana spot assets using futures contracts, while also holding liquid stables like USDC and USDT. The protocol enables users to acquire USDe through various methods and stake it to earn rewards from protocol revenue, subject to jurisdictional restrictions.

Rain is a decentralized options protocol built on Arbitrum. It enables anyone to create and trade custom markets without restrictions, offering a permissionless framework for prediction and options trading. Public markets are resolved using Olympus AI’s oracle agent, while private markets allow creators to act as resolvers. The protocol supports secondary trading, account abstraction for smoother user experience, and a deflationary token model where 2.5% of trading volume is allocated to buy and burn the $RAIN token. Governance of the protocol is carried out by token holders through a DAO.