# Polygon data apps

> Polygon PoS is a long-running EVM sidechain that has turned toward payments and tokenized assets. Its apps cover gas, transactions, stablecoin payments and prediction markets.

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

## Ethereum

- [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

- [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?
- [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?
- [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?

## Layer 1 chains

- [Daily Transactions by Blockchain: Leaderboard](https://voltfincrypto.com/apps/daily-transactions-by-blockchain) (table, planned): Which blockchains process the most transactions per day?
- [Cheapest Blockchain Fees: Median Cost per Transaction](https://voltfincrypto.com/apps/cheapest-blockchain-fees) (table, planned): Which blockchain is cheapest to transact on right now?
- [Polygon Gas Tracker: POL Gas Price and Network Activity](https://voltfincrypto.com/apps/polygon-gas-tracker) (dashboard, planned): What is the gas price on Polygon PoS right now?
- [Smart Contract Deployments by Chain: New Contracts per Day](https://voltfincrypto.com/apps/smart-contract-deployments-by-chain) (dashboard, planned): How many new smart contracts are deployed on each chain per day?
- [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?
- [Axelar Network: GMP Calls, Interchain Tokens and Validators](https://voltfincrypto.com/apps/axelar-gmp-interchain-tokens) (dashboard, planned): How many cross-chain calls and token transfers go through Axelar, on which routes and who signs them?

## Stablecoins

- [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?
- [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?
- [Non-USD Stablecoins: Euro, Yen, Real and More](https://voltfincrypto.com/apps/non-usd-stablecoins) (dashboard, planned): How much supply do non-dollar stablecoins have, by currency and chain?
- [MiCA-Compliant Stablecoins List](https://voltfincrypto.com/apps/mica-compliant-stablecoins-list) (table, planned): Which stablecoins are authorized under MiCA, who issues them and how much supply does each have on-chain?
- [Stablecoin Exchange Inflows and Outflows: USDT and USDC](https://voltfincrypto.com/apps/stablecoin-exchange-inflows-outflows) (dashboard, planned): How much USDT and USDC moved into and out of exchanges today, on which chains and how much of it came from fresh mints?

## 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?
- [Tokenized Treasuries Tracker: BUIDL, BENJI, USYC, OUSG](https://voltfincrypto.com/apps/tokenized-treasuries-tracker) (dashboard, planned): How much is held in each tokenized Treasury or money-market fund on-chain, and on which chains?
- [Tokenized RWA Market Size by Chain](https://voltfincrypto.com/apps/tokenized-rwa-market-size-by-chain) (dashboard, planned): How much real-world asset value, excluding stablecoins, is tokenized on each blockchain?
- [Tokenized Treasuries by Fund and Chain](https://voltfincrypto.com/apps/tokenized-treasuries-table) (table, planned): Which tokenized treasury funds are the largest, and on which chains do they live?
- [Tokenized Treasury Fund Yields](https://voltfincrypto.com/apps/tokenized-treasury-fund-yields) (table, planned): What yield has each tokenized Treasury fund paid over 7 and 30 days, based on its on-chain NAV or dividend mints?
- [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?
- [On-Chain Private Credit: Active Loans by Protocol](https://voltfincrypto.com/apps/onchain-private-credit) (dashboard, planned): How much private credit do on-chain protocols lend by protocol and chain, and at what rates?
- [RWA Monthly Report: Tokenized Treasuries, Stocks and Credit](https://voltfincrypto.com/apps/tokenized-rwa-monthly-report) (report, planned): How did tokenized real-world assets change this month, by asset class, issuer and chain?

## DeFi

- [Railgun Volume: Shielded Deposits and Withdrawals](https://voltfincrypto.com/apps/railgun-volume) (dashboard, planned): How much value moves through Railgun each month, and how much is held shielded?
- [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?
- [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?
- [CoW Swap Volume, Solvers and Surplus by Chain](https://voltfincrypto.com/apps/cow-swap-volume-solvers-surplus) (dashboard, planned): How much volume does CoW Swap settle, which solvers win its batch auctions and how much surplus do traders get?
- [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?
- [Fluid Protocol: Liquidity Layer, Vaults and DEX](https://voltfincrypto.com/apps/fluid-protocol-lending-dex) (dashboard, planned): What do Fluid's lenders earn and its borrowers pay, and how much of their funds also earn DEX fees?
- [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

- [Staking Yield and Staking Ratio by Chain](https://voltfincrypto.com/apps/staking-yield-by-chain) (table, planned): What staking yield and staking ratio does each proof-of-stake chain have?
- [Validator Count and Nakamoto Coefficient by Chain](https://voltfincrypto.com/apps/validator-count-by-chain) (table, planned): How many validators does each chain have, and how few of them control a third of the stake?

## Markets and trading

- [Polymarket Volume and Open Interest Tracker](https://voltfincrypto.com/apps/polymarket-volume-open-interest) (dashboard, planned): How much is traded on Polymarket each day, and how much collateral is locked in open positions?
- [Prediction Market Volume by Platform](https://voltfincrypto.com/apps/prediction-market-volume) (dashboard, planned): How much volume does each prediction market platform handle, and what share is settled on-chain?
- [Polymarket Top Traders: Volume and Realized Profit](https://voltfincrypto.com/apps/polymarket-top-traders) (table, planned): Which Polymarket wallets trade the most and have the highest realized profit?
- [Prediction Markets Monthly Report: Volume and Share](https://voltfincrypto.com/apps/prediction-markets-monthly-report) (report, planned): How did prediction market volume and market share change this month, and which categories drove it?

## NFTs and gaming

- [NFT Sales Volume by Chain and Marketplace](https://voltfincrypto.com/apps/nft-sales-volume) (dashboard, planned): How much are NFTs selling for in total each day, and on which chains and marketplaces?
- [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?
- [Top NFT Collections Ranked by Sales, Buyers and Holders](https://voltfincrypto.com/apps/top-nft-collections-ranked) (table, planned): Which NFT collections sell the most, how many buyers do they reach and how concentrated is their ownership?
- [Magic Eden Volume: NFT Sales on Solana, Bitcoin and EVM Chains](https://voltfincrypto.com/apps/magic-eden-volume-by-chain) (dashboard, planned): How much trades on Magic Eden each day and on which chains, and how much of its revenue goes back to ME holders?
- [Lens Protocol Stats: Accounts, Posts and Lens Chain Activity](https://voltfincrypto.com/apps/lens-protocol-stats) (dashboard, planned): How many Lens accounts are active, how much do they post and what does Lens Chain run on?

## AI and agents

- [x402 Transactions Tracker: Daily Payments and Volume](https://voltfincrypto.com/apps/x402-transactions-tracker) (dashboard, planned): How many x402 payments settle each day, and how much value do they move on each chain?
- [ERC-8004 Agent Registry: Registered AI Agents by Chain](https://voltfincrypto.com/apps/erc-8004-agent-registry) (table, planned): How many AI agents are registered under ERC-8004, and which have the most feedback?
- [x402 Facilitators and Paid Services Ranked](https://voltfincrypto.com/apps/x402-facilitators-ranking) (table, planned): Which x402 facilitators settle the most payments, and which services earn the most?
- [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?

## Security and risk

- [OFAC Sanctioned Crypto Addresses: Balances and Activity](https://voltfincrypto.com/apps/ofac-sanctioned-crypto-addresses) (table, planned): Which crypto addresses are on the OFAC sanctions list, what do they hold and are they still moving 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?
- [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?

## Payments

- [Polygon Stablecoin Payments: Volume, Senders and Sizes](https://voltfincrypto.com/apps/polygon-stablecoin-payments) (dashboard, planned): How much stablecoin payment volume moves on Polygon PoS?
- [Stablecoin Payments by Transfer Size and Chain](https://voltfincrypto.com/apps/stablecoin-payments-by-transfer-size) (dashboard, planned): How many stablecoin transfers are payment-sized (retail and B2B ranges), and on which chains do they happen?
- [Stablecoin Remittances and Cross-Border Payments](https://voltfincrypto.com/apps/stablecoin-remittances-cross-border-payments) (report, planned): How much stablecoin value moves across borders, and through which chains and transfer sizes?
