Purchasing Ether (ETH), Ethereum’s native cryptocurrency, is straightforward through exchanges like Coinbase, Binance.US, Kraken, or online brokerages like Robinhood and SoFi. Users can store Ether securely in digital or cold wallets. Additionally, investors can consider Ethereum-focused funds like Bitwise Ethereum Fund or Grayscale Ethereum Trust, or companies building Ethereum applications.