No rebuttals accepted. The entire cryptocurrency ecosystem is built upon Bitcoin. 1. Ethereum adds smart contracts to Bitcoin. 2. Exchanges enable fast Bitcoin trading; Bitcoin trading volume accounts for 70%. 3. SOL is a faster and cheaper version of Ethereum. 4. Tron is a more appealing and payment-oriented version of Ethereum. 5. The USDT stablecoin was initially created on top of Bitcoin. 6. Wallets and cross-chain functionality are all the same. Therefore, cryptocurrency professionals who don't read the Bitcoin white paper are not good students.