Ethereum Layer 2: Boba Network.
Lower gas, faster, secured by Ethereum. "Boba Network is an Optimistic Rollup that combines the great open source work done by OMG and Enya teams."
Here You can send ETH from Mainnet L1 to Arbitrum sidechain L2. And remember the 5th of November: "POTENTIAL RISKS
Smart Contract Risk
There is always a chance that there may be a bug within any smart contract that could result in the loss of user funds.
Once your Ether or tokens are bridged over from L1 → L2 or L2 → L1, the value of your funds may change because regular market fluctuation." + lack of decentralization
Home of Arbitrum Layer 2 Ethereum scaling solution. See list of investors and founders.Blog and link for Arbitrum One focused sites. Not much, but enjoy.
Homepage of "Next generation layer 2 for Ethereum dApps." Not too much information, but some useful links to documentation and block explorer can be found.
Latest Transactions, Latest Blocks, Blocks details, ARBITRUM TRANSACTION HISTORY LAST 14 DAYS and more
Great info dashboard for a lot of L2 ETH scaling solutions. TLV and Risk highlights. Polygoin excluded for not being true L2. Read FAQ!
"L2BEAT was created to provide transparent and verifiable insights into emerging layer two (L2) technologies which, in line with the rollup-centric Ethereum scaling roadmap are aimed at scaling Ethereum."
Guide to start using new true L2 Ethereum solution. Froma choosing a wallet to create NFT. Early stage. ZK rollups are extremely secure even with a single validator (but required L1 network).
Innovative "true" Ethereum L2 Solution, with L1 security and lower gas fee. "Rely on math,
not validators zkSync is Ethereum’s most user-centric ZK rollup zkSync solves Ethereum scalability
with zero security compromises". ETH L2 chain class of Zero Knowledge Rollups. "VISA-scale is possible today with 2000+ TPS." Smart Contracts, Open Source.