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Optimism (OP) is a layer-two platform built on top of the Ethereum blockchain that aims to improve the scalability and accessibility of decentralized applications (dApps). It does this by using a technique called "optimistic rollups," which allow dApps to offload some of their computation and data storage onto a separate layer, while still remaining secure and decentralized. This technique enables low-cost, near-instantaneous Ethereum transactions by batching multiple transactions into one and settling them on the Optimism layer, with the data fed back to the main Ethereum network.
Optimism was introduced in June 2019, with a testnet released in October 2019 and an alpha mainnet launched in January 2021. In October 2021, Optimism launched a network compatible with the Ethereum Virtual Machine.
OP is used to develop and deploy dApps that can take advantage of the scalability and accessibility benefits offered by optimistic rollups. These dApps could be used for a variety of purposes, including financial applications, social networks, games, and more.
Optimism (OP) was created by a team of blockchain developers and researchers, including Ethan Frey and James Ray. The team is based in the United States and is funded by a number of venture capital firms and individual investors.
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