Optimism, an Ethereum Layer 2 or Rollup to improve scalability, was launched in july 2021
Gas Token : $ETH from US$0.05 to US$3.00 depends on the transaction
Wallets : Trust Wallet, Metamask (Chrome extension and Smartphone), Ledger
Bridge : Optimism bridge* , Hop Exchange, xPollinate, ...
Blockchain explorer : Optimism explorer
Farming : Pika Protocol
DeFi dashboard tracker : Debank
Airdrop possible alert (*for people who use bridge ?) : $OPTIMISM not yet enable
More information and protocols about Optimism ecosystem : Optimism, network status,
NB: This is non-exhaustive overview of the ecosystem and subject to change, it's my point of view and not investment advise.
Other ecosystem : Terra ($LUNA), Elrond ($EGLD), BNB Chain (ex-BSC) ($BNB), Cosmos ($ATOM), Cardano ($ADA), Arbitrum
