# OP Mainnet data apps > OP Mainnet is the first OP Stack chain and the center of the Superchain. Its apps cover gas, activity, sequencer revenue and the chains that share its stack. Markdown copy of https://voltfincrypto.com/chains/optimism ## Ethereum - [Ethereum Monthly Report: Fees, Supply, Staking and L2s](https://voltfincrypto.com/apps/ethereum-monthly-report) (report, planned): What changed on Ethereum this month in fees, supply, staking and layer 2 activity? - [EIP-7702 Adoption: Delegated EOAs and Top Contracts](https://voltfincrypto.com/apps/eip-7702-adoption) (dashboard, planned): How many accounts use EIP-7702 delegation, and which delegate contracts do they point to? - [ERC-4337 Account Abstraction: UserOps and Paymasters](https://voltfincrypto.com/apps/erc-4337-account-abstraction) (dashboard, planned): How many ERC-4337 UserOperations run each day on each chain, and how much of their gas do paymasters sponsor? - [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 - [Ethereum TPS: Mainnet and Layer 2 Transactions per Second](https://voltfincrypto.com/apps/ethereum-tps) (dashboard, planned): How many transactions per second do Ethereum and its layer 2s process right now, in total and per chain? - [Ethereum Layer 2 List Ranked by Activity, Fees and Value](https://voltfincrypto.com/apps/ethereum-layer-2-list) (table, planned): Which Ethereum layer 2s are the largest by transactions, users, fees and value locked? - [Ethereum L2 Fees Compared: Cost per Transaction](https://voltfincrypto.com/apps/ethereum-l2-fees) (dashboard, planned): Which Ethereum layer 2 is cheapest for a transfer or a swap right now? - [Base Chain Stats: Transactions, Users and Fees](https://voltfincrypto.com/apps/base-chain-stats) (dashboard, planned): How many transactions, active addresses and fees does Base process each day? - [LayerZero DVN Checker: Bridge Verifier Settings](https://voltfincrypto.com/apps/layerzero-dvn-checker) (table, planned): How many independent verifiers must sign off on messages for each major LayerZero-bridged token, and which rely on just one? - [Bridged Token Backing: Locked vs Minted Supply](https://voltfincrypto.com/apps/bridged-token-backing) (dashboard, planned): Is each bridged token's supply on other chains matched by tokens locked on its home chain right now? - [Ethereum L2 TVL: Value Locked in Rollup Bridges](https://voltfincrypto.com/apps/ethereum-l2-tvl) (dashboard, planned): How much value is locked on each Ethereum layer 2, and how much of it sits in canonical bridges on Ethereum? - [Fusaka Upgrade Impact: Blobs, L2 Fees and Spam](https://voltfincrypto.com/apps/fusaka-upgrade-impact) (report, planned): What did the Fusaka upgrade change for blob capacity, layer 2 fees and Ethereum activity? - [L2 Profitability: Fees Earned vs Costs Paid to Ethereum](https://voltfincrypto.com/apps/l2-profitability) (dashboard, planned): How much does each Ethereum layer 2 earn from user fees, and how much does it pay Ethereum? - [Top Ethereum L2s: Monthly League Table of Rollups](https://voltfincrypto.com/apps/top-ethereum-l2s-monthly) (report, planned): Which Ethereum layer 2s grew or shrank the most this month by activity, fees and value locked? - [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? - [OP Mainnet Stats: Gas, Activity and Superchain Revenue](https://voltfincrypto.com/apps/op-mainnet-stats) (dashboard, planned): How busy is OP Mainnet, and how much revenue do it and the Superchain send to the Optimism Collective? - [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? - [Across Protocol Bridge: Volume, Relayer Fees and Fill Times](https://voltfincrypto.com/apps/across-bridge-volume) (dashboard, planned): How much moves through the Across bridge on each route, what does it cost and how fast do relayers fill it? - [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 - [Cross-Chain Intents: Volume, Solvers and Fill Times](https://voltfincrypto.com/apps/cross-chain-intents-solvers) (dashboard, planned): How much volume do intent-based bridges and swaps fill, who are the solvers and how fast are fills? - [World ID Verified Humans and World Chain Activity](https://voltfincrypto.com/apps/world-id-verified-humans) (dashboard, planned): How many people have been verified with World ID, and how active are they on-chain? - [Chainlink CCIP Tracker: Cross-Chain Messages and Token Transfers](https://voltfincrypto.com/apps/chainlink-ccip-tracker) (dashboard, planned): How many messages and how much token value move over Chainlink CCIP, on which lanes and how fast are they delivered? - [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? - [Hyperlane Tracker: Interchain Messages, Warp Routes and ISMs](https://voltfincrypto.com/apps/hyperlane-messages-warp-routes) (dashboard, planned): How many messages move over Hyperlane, which Warp Routes carry tokens and what security do they rely on? ## Stablecoins - [RLUSD Supply by Chain: Ripple USD on XRPL and Ethereum](https://voltfincrypto.com/apps/rlusd-supply-by-chain) (dashboard, planned): How much RLUSD is issued on the XRP Ledger and on Ethereum, and where is it growing? - [Stablecoin Contract Addresses: USDT, USDC and More by Chain](https://voltfincrypto.com/apps/stablecoin-contract-addresses) (table, planned): What is the official contract address of USDT, USDC and other stablecoins on each chain, and is it native or bridged? - [Sky Savings Rate, USDS and DAI Supply](https://voltfincrypto.com/apps/sky-savings-rate-usds-dai) (dashboard, planned): What is the Sky Savings Rate today, and how much USDS is earning it? - [USDC CCTP and USDT0 Cross-Chain Flows](https://voltfincrypto.com/apps/usdc-cctp-usdt0-cross-chain-flows) (dashboard, planned): How much USDC and USDT moves between chains through CCTP and USDT0 each day, and on which routes? ## Tokenized assets - [BlackRock BUIDL Fund: Supply, Chains and Holders](https://voltfincrypto.com/apps/blackrock-buidl-fund-tracker) (dashboard, planned): How many BUIDL shares are outstanding, on which chains and who holds them? ## DeFi - [DeFi Lending Rates Table: Utilization and LTV by Market](https://voltfincrypto.com/apps/defi-lending-rates-table) (table, planned): Which DeFi lending markets have the highest utilization and borrow rates right now? - [Uniswap Volume, Fees and TVL by Version and Chain](https://voltfincrypto.com/apps/uniswap-volume-fees-tvl) (dashboard, planned): How much trades on Uniswap each day, what do its liquidity providers earn and where does its liquidity sit? - [Uniswap v4 Hooks: Volume and Liquidity by Hook](https://voltfincrypto.com/apps/uniswap-v4-hooks) (table, planned): Which Uniswap v4 hooks attract the most volume and liquidity? - [Curve Finance: Pool Volume, TVL, veCRV and Gauge Votes](https://voltfincrypto.com/apps/curve-finance-pools-vecrv-gauges) (dashboard, planned): How much trades on Curve, where does its liquidity sit and which pools do veCRV votes send CRV emissions to? - [Balancer Shutdown Tracker: Liquidity Left and Withdrawals](https://voltfincrypto.com/apps/balancer-shutdown-withdrawals-tracker) (dashboard, planned): How much liquidity is left in Balancer pools, and how much has been withdrawn since the wind-down began? - [Velodrome Finance: Volume and Votes on OP Mainnet and Superchain](https://voltfincrypto.com/apps/velodrome-finance-superchain-dex) (dashboard, planned): How much trades on Velodrome across OP Mainnet and the Superchain, and how much VELO has converted to the new AERO? - [1inch Volume by Chain: Fusion, Classic Swaps and Resolvers](https://voltfincrypto.com/apps/dex-aggregator-1inch-fusion-volume) (dashboard, planned): How much volume goes through 1inch on each chain, and how much of it do Fusion resolvers fill? - [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? - [DeFi Lending Bad Debt Tracker](https://voltfincrypto.com/apps/defi-lending-bad-debt) (dashboard, planned): How much bad debt do DeFi lending protocols carry right now, and who absorbed it? - [Chainlink Price Feeds: Update Times, Heartbeats and Deviation](https://voltfincrypto.com/apps/chainlink-price-feeds) (dashboard, planned): When did each Chainlink price feed last update, and is any feed past its heartbeat right now? - [Chainlink Price Feed Addresses by Chain and Pair](https://voltfincrypto.com/apps/chainlink-price-feed-addresses) (table, planned): What is the Chainlink price feed proxy address for a pair on each chain, and what are its decimals and heartbeat? ## Staking and restaking - [ether.fi Staking: eETH and weETH Supply, Validators and Withdrawals](https://voltfincrypto.com/apps/etherfi-eeth-weeth-tracker) (dashboard, planned): How much ETH backs eETH and weETH, and how much of it is still restaked? - [Kelp rsETH Tracker: Backing, Supply by Chain and Withdrawals](https://voltfincrypto.com/apps/kelp-rseth-tracker) (dashboard, planned): Is every rsETH on every chain backed, and how long does an rsETH withdrawal take? ## Markets and trading - [ETH Exchange Reserves: Ether Held on Exchanges and Netflow](https://voltfincrypto.com/apps/eth-exchange-reserves) (dashboard, planned): How much ETH do exchanges hold, what share of the ETH supply is that and is it flowing in or out? ## NFTs and gaming - [OpenSea Volume, Fees and Sales by Chain](https://voltfincrypto.com/apps/opensea-volume-fees-by-chain) (dashboard, planned): How much NFT volume trades on OpenSea each day and on which chains, and how much does OpenSea collect in fees? - [Farcaster Stats: New Accounts, Storage Rent and App Keys](https://voltfincrypto.com/apps/farcaster-registrations-storage) (dashboard, planned): How many Farcaster accounts are registered each day, what does storage cost and how many apps sign users in? ## AI and agents - [Olas Autonomous Agents: Services, Staking and Mech Requests](https://voltfincrypto.com/apps/olas-agent-services-staking) (dashboard, planned): How many Olas agent services are running, what do they earn from staking and how much work do they buy from mechs? - [AI Agent Wallets: Balances, Spending and Who Agents Pay](https://voltfincrypto.com/apps/ai-agent-wallets-spending) (dashboard, planned): How many wallets do AI agents control, what do they hold and what do they spend their money on? ## Security and risk - [EIP-7702 Delegation Checker: Is Your Wallet Delegated?](https://voltfincrypto.com/apps/eip-7702-delegation-checker) (dashboard, planned): Is this wallet delegated under EIP-7702 on any chain, and does its delegate contract sweep incoming funds? - [Tornado Cash Tracker: Deposits, Withdrawals and Anonymity Sets](https://voltfincrypto.com/apps/tornado-cash-tracker) (dashboard, planned): How much flows into and out of Tornado Cash pools, and how much of it comes from addresses tied to hacks? - [Exploited Contract Approvals: Is Your Wallet Still Exposed?](https://voltfincrypto.com/apps/exploited-contract-approvals) (dashboard, planned): Does this wallet still have open token approvals to exploited contracts, and how much could still be taken through them? ## Wallets and whales - [Wallet Balance Checker: Every EVM Chain in One View](https://voltfincrypto.com/apps/wallet-balance-checker) (dashboard, planned): What does this wallet hold on every EVM chain right now, token by token? - [Safe Multisig Checker: Owners, Threshold and Modules](https://voltfincrypto.com/apps/safe-multisig-checker) (table, planned): Who signs for this Safe, how many signatures does it need and which modules can move funds without them? - [Address Label Lookup: Who Controls This Wallet?](https://voltfincrypto.com/apps/address-label-lookup) (dashboard, planned): What is known about who controls this address: an exchange, a protocol contract, a Safe, an ENS name or a flagged entity? - [Gas Spent Calculator: Total Fees Paid by a Wallet](https://voltfincrypto.com/apps/gas-spent-calculator) (table, planned): How much has this wallet paid in gas fees on each chain, and in each year? ## DAOs and treasuries - [DAO Governance Tracker: On-Chain Proposals and Votes](https://voltfincrypto.com/apps/dao-governance-tracker) (dashboard, planned): Which DAO proposals are live right now, and how are the votes going? - [DAO Voter Turnout Ranked by Protocol](https://voltfincrypto.com/apps/dao-voter-turnout-ranking) (table, planned): Which DAOs have the highest and lowest voter turnout? - [DAO Treasuries Ranked by On-Chain Holdings](https://voltfincrypto.com/apps/dao-treasuries-ranking) (table, planned): Which DAOs hold the largest treasuries, and how much of it is their own token?