Decentralized finance (commonly referred to as DeFi) is an experimental form of finance that does not rely on financial intermediaries such as brokerages, exchanges, or banks, and instead utilizes blockchains, most commonly the Ethereum blockchain.
Metamask
Metamask is an Ethereum wallet that allows you to interact with Torah and other dapps. You can also use it with Ledger and Trezor hardware wallets. It's the most popular Ethereum web wallet and is available as an add-on for most browsers.
Metapool
Metapools are a type of pool on Torah composed of one asset as well as as LP tokens from another pool.