Ethereum faces scalability issues with high fees and slow processing times. Layer 2 solutions act as bypasses on Ethereum blockchain. Total Value Locked (TVL) in Layer 2s reaches 16 billion dollars
Metamask is an Ethereum wallet that supports multiple networks and sidechains. Same wallet can be used across all supported networks with same private key. Tutorial focuses on desktop version of Metamask for Chrome browser
Blockchain-based games rewarding users for physical activities and movement. Many companies have been operating in this sector for years. Industry continues evolving with new features and developments
EVM is Ethereum's virtual machine executing smart contracts. EVM compatible chains copy Ethereum code for faster development. EVM equivalent chains fully comply with Ethereum protocol specifications
Polygon offers lower gas costs and faster transaction speeds than Ethereum. Polygon has 15 validators compared to Ethereum's 300,000+. Polygon NFTs often require bridging from Ethereum
USDT is a stablecoin tied to the US dollar. Metamask is a software wallet supporting Ethereum-based assets. Metamask doesn't support USDT from Solana, Ziliqa, or Algorand