Decentralized applications (DApps) are blockchain-based programs that operate autonomously thanks to smart contracts. DApps aim to decentralize services by hosting them on distributed blockchain networks rather than traditional servers. This allows for greater transparency, security and open access.
To use DApps, you need a crypto wallet to connect and interact with them. Metamask acts as a bridge, allowing you to securely access DApps directly from your web browser. When you visit a DApp site, Metamask will detect it and prompt you to log in.
Once Metamask is installed, opening it will show your main account address and balance. Click the address and enter your password to unlock the wallet. Metamask wallet is then ready to detect and connect to supported DApps on sites like Uniswap, OpenSea or MakerDAO.
With your wallet unlocked, Metamask injects Web3 functionality allowing the DApp full read/write access to interact securely with underlying smart contracts on your behalf. Any transactions require your confirmation in the pop-up window before being broadcast to the blockchain.
Metamask's intuitive login system simplifies using DApps for non-technical users. For developers, it removes the need to build separate wallet integrations, expanding potential user bases. Overall, this helps drive mainstream adoption of blockchain technology and decentralized services.
Only use DApps from trusted sources and always verify transaction details before approving anything within Metamask Login. Never share your recovery phrase with anyone. Let me know if any part of the login process needs clarification!