Polkadot is a next-generation blockchain protocol connecting multiple specialized blockchains into one unified network. Designed as part of a broad vision for a web that returns control to individuals over internet monopolies, Polkadot builds on the revolutionary promise of previous blockchain networks while offering several fundamental advantages.
Polkadot is a Substrate-based chain. You can use Polkadot JS app to access your wallet and stake with Polkachu. The staking link and a step-by-step video walk-through is provided below.