# Mantle data apps

> Mantle is an Ethereum layer 2 with its own data availability and a large treasury. Its apps cover fees, activity and the liquid staking and DeFi built on it.

Markdown copy of https://voltfincrypto.com/chains/mantle

## Ethereum

- [Multicall3, Permit2 and EntryPoint Addresses by Chain](https://voltfincrypto.com/apps/multicall3-permit2-entrypoint-addresses) (table, planned): Is Multicall3, Permit2 or an ERC-4337 EntryPoint deployed on a given chain, at its usual address and with the expected code?

## Layer 2s

- [EVM Chain List: Chain IDs, Native Tokens and RPC Support](https://voltfincrypto.com/apps/evm-chain-list) (table, planned): What is the chain ID and native token of each EVM chain, and which RPC methods do its public endpoints support?
- [Mantle Network Stats: Activity, MNT Gas and mETH](https://voltfincrypto.com/apps/mantle-network-stats) (dashboard, planned): How busy is Mantle, what does gas cost in MNT and what does Mantle pay Ethereum to settle?
- [L2 Bridge Flows: Net Deposits from Ethereum by Chain](https://voltfincrypto.com/apps/l2-bridge-flows) (dashboard, planned): Which layer 2s are gaining or losing assets through their canonical bridges with Ethereum?
- [L2 Withdrawal Times to Ethereum by Rollup](https://voltfincrypto.com/apps/l2-withdrawal-times) (dashboard, planned): How long does a native withdrawal from each layer 2 to Ethereum take right now?
- [OP Stack Chains: The Superchain List Compared](https://voltfincrypto.com/apps/op-stack-superchain-chains) (table, planned): Which chains run on the OP Stack, which belong to the Superchain and how do they compare?
- [WETH and Wrapped BTC Token Addresses by Chain](https://voltfincrypto.com/apps/wrapped-btc-eth-token-addresses) (table, planned): What is the WETH, WBTC or cbBTC contract address on each chain, and who issues or backs each one?
- [Rollup Decentralization: Upgrade Keys and Exit Windows](https://voltfincrypto.com/apps/rollup-decentralization) (table, planned): Who can upgrade each rollup's bridge contracts, and how much notice do users get before an upgrade?
- [L2 Sequencer Uptime: Block Production Gaps by Chain](https://voltfincrypto.com/apps/l2-sequencer-uptime) (dashboard, planned): Is each Ethereum layer 2 producing blocks on schedule, and when did block production last stall?

## Layer 1 chains

- [Stargate Bridge Tracker: Volume, Pools and Bus vs Taxi](https://voltfincrypto.com/apps/stargate-bridge-tracker) (dashboard, planned): How much moves through the Stargate bridge on each route, by bus or by taxi, and how much liquidity backs it?

## Tokenized assets

- [Ondo USDY and OUSG: Supply, Price and Chains](https://voltfincrypto.com/apps/ondo-usdy-ousg) (dashboard, planned): How much USDY and OUSG exists on each chain, and how much has each token's price grown?

## DeFi

- [Compound v3 Markets: Rates, Collateral and Reserves](https://voltfincrypto.com/apps/compound-v3-markets) (dashboard, planned): What do Compound v3 markets pay and charge today, and how much collateral and reserves stand behind each one?