Optimism (OP) is a Layer 2 network that solves Ethereum’s scalability issues, bringing low fees and faster transactions to users. Scalability and low gas fees have always been Ethereum’s major problems. This is because, amid the trilemma of crypto, where security, decentralization, and scalability are not equal, Ethereum chose more security than decentralization and more decentralization than scalability to focus on. This is the reason Ethereum has a lot of layer 2s to help solve the scalability difficulties. Over the years, people have had to spend huge amounts of ETH gas to perform a transaction, but no one really cared at the time because the value of ETH was small. For example, spending 0.001 ETH when ETH was worth $300 means that you were spending $0.03 on gas fees, which was cheap. This was also at a time when the network was less congested, but over time, the value of ETH increased from $300 to over $2,000. In a more congested period, users have found it could cost upwards of $80 in gas fees to approve a transaction on the Ethere ..
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