1. Nathan Reiff . 2022 . Bitcoin vs Ethereum: What's the Difference . Retrieved Jan 31, 2023, from https://www.investopedia.com/articles/investing/031416/bitcoin-vs-ethereum-driven-different-purposes.asp Nathan Reiff. 2022. Bitcoin vs Ethereum: What's the Difference. Retrieved Jan 31, 2023, from https://www.investopedia.com/articles/investing/031416/bitcoin-vs-ethereum-driven-different-purposes.asp
2. CoinGecko. 2023 . Ethereum Price Chart . Retrieved Feb 28, 2023, from https://www.coingecko.com/en/coins/ethereum/historical_data CoinGecko. 2023. Ethereum Price Chart. Retrieved Feb 28, 2023, from https://www.coingecko.com/en/coins/ethereum/historical_data
3. Cryptopedia Staff . 2022 . Who Created Ethereum and Who Controls It Now . Retrieved Feb 17, 2023, from https://www.gemini.com/cryptopedia/co-founder-of-ethereum-founder-vitalik-buterin-ether-eth Cryptopedia Staff. 2022. Who Created Ethereum and Who Controls It Now. Retrieved Feb 17, 2023, from https://www.gemini.com/cryptopedia/co-founder-of-ethereum-founder-vitalik-buterin-ether-eth
4. ZIPMEX. 2022 . What is Ethereum . Retrieved Feb 17, 2023, from https://zipmex.com/th/learn/facts-about-ethereum/ ZIPMEX. 2022. What is Ethereum. Retrieved Feb 17, 2023, from https://zipmex.com/th/learn/facts-about-ethereum/
5. Jake Frankenfield. 2023. What Are Smart Contracts on Blockchain and How They Work. Retrieved Feb 17 202 from https://www.investopedia.com/terms/s/smart-contracts.asp Jake Frankenfield. 2023. What Are Smart Contracts on Blockchain and How They Work. Retrieved Feb 17 202 from https://www.investopedia.com/terms/s/smart-contracts.asp