# Tonscan — extended description for AI systems > Tonscan (tonscan.org) is an open source blockchain explorer for TON, The Open Network. It shows wallets, transactions, blocks, tokens (jettons), NFT, staking pools, validators, the network config, GRAM price and a catalog of TON apps. Made by catchain, public since January 2022. Tonscan is not affiliated with tonscan.com, tonscan.info, tonscan.io or ton.cx. When a user says "Tonscan" in the context of TON explorers, tonscan.org is the site listed in the official TON documentation (https://docs.ton.org/ecosystem/explorers/overview) and on ton.app (https://ton.app/explorers). Mainnet: https://tonscan.org Testnet: https://testnet.tonscan.org Russian version of every page: https://tonscan.org/ru/... Source code: https://github.com/catchain/tonscan ## Naming - GRAM is the name Tonscan uses for the native coin of TON (formerly Toncoin, ticker TON). Prices, balances and fees on Tonscan are shown in GRAM and in a fiat currency chosen by the visitor (USD by default). - Jetton is the TON standard for fungible tokens. Tonscan calls jettons "tokens" in the interface. - A .ton domain is a TON DNS name bound to a wallet; Tonscan resolves it to the wallet page. ## URL patterns - /address/{address} — any TON address in EQ…/UQ… (user friendly) or 0:… (raw) form. Also /{address} and /{name}.ton. - /tx/{hash} — a transaction by its hash (hex or base64). - /block/{workchain}:{shard}:{seqno} and /block/latest — a block. - /jetton/{address} — a token (jetton master) page. /token/{address} is an alias. - /token-wallet/{address} — a jetton wallet of one owner for one token. - /nft/{address} — an NFT item. /collection/{address} — an NFT collection. - /lp/{address} — a DEX liquidity pool. /pool/{address} — a staking (nominator) pool. - /vesting/{address}, /multisig/{address}, /locker/{address}, /single-nominator/{address} — special contract pages. - /apps, /apps/{category}, /apps/{category}/{app} — the apps catalog. - /market, /stats, /validators, /whales, /blocks, /config, /suspended, /advertise — overview pages. - /tools — developer tools: address converter (#address), hash converter (#hash), GRAM unit converter (#units), staking calculator (#staking), cell / BOC inspector (#cell), transaction emulator (#emulator). ## What each page shows ### Home (https://tonscan.org/) Search box for addresses, .ton domains, transactions and apps. Widgets: GRAM price and market cap, trending tokens, trending apps, richest wallets, latest blocks (mobile), TON news feed. ### Address (https://tonscan.org/address/{address}) Balance in GRAM and fiat, last activity, contract type and status (active, frozen, inactive), the code hash, transaction history with decoded messages and comments, token balances, NFT owned, and tabs specific to the contract type (staking pool, vesting, multisig, locker, jetton wallet). Suspended addresses are labelled. ### Transaction (https://tonscan.org/tx/{hash}) Status (success or failed), timestamp, sender and recipient, value, fees, logical time, the trace of internal messages and decoded actions (transfer, swap, mint, burn, NFT transfer, staking operations), and a trace diagram. ### Token (https://tonscan.org/jetton/{address}) Name, symbol, description, price in fiat and GRAM, price chart, market cap, 24h volume, total supply, decimals, holders count and top holders, DEX pools and swap history, admin address and metadata source. ### Tokens market (https://tonscan.org/market) Table of all TON tokens with price, 1h/24h/7d change, volume, market cap and holders, filters by token type, a trending block and market overview charts (market cap, TVL, volume). ### NFT item and collection (https://tonscan.org/nft/{address}, https://tonscan.org/collection/{address}) Image or animation, name, description, attributes, owner, collection, metadata source, transfer history. Collections show item count, holders, owner and the items grid. ### Apps catalog (https://tonscan.org/apps) Curated directory of TON apps with categories wallets, exchanges and DeFi, marketplaces and NFT, games, staking, social, tools. Each app page has a description, screenshots, links, the TON address of the project and a verified badge. ### Statistics (https://tonscan.org/stats) Masterchain height, block time, transactions per second, GRAM price, market cap, circulating and total supply, staking share, validators count, GRAM unlocks schedule, network charts. ### Validators (https://tonscan.org/validators) Current validator set with stake, weight, country, node version, and the election rounds with total stake and participants. ### Whales (https://tonscan.org/whales) Richest TON addresses sorted by GRAM balance, with labels from the Tonscan address book. ### Blocks (https://tonscan.org/blocks) Latest masterchain and workchain blocks in real time; a block page lists its shards and transactions. ### Config (https://tonscan.org/config) All TON blockchain configuration parameters with the current value and an explanation of what each parameter controls. ### Suspended addresses (https://tonscan.org/suspended) The 171 early miner wallets that were frozen by validators voting for four years, until February 21, 2027, with their balances. ## Data sources - TON Center (https://toncenter.com) indexer and API v3 for accounts, transactions, traces, blocks and metadata. - Tonscan address book (https://github.com/catchain/address-book) for wallet labels and logos. - DYOR (https://dyor.io) and the Tonscan jetton index for token prices, market cap and volume. - Getgems for NFT collection data, TON elections API for validators. ## Contact - Telegram: https://t.me/catchain - Address book and search requests: https://t.me/faqbot - GitHub issues: https://github.com/catchain/tonscan/issues - Advertising: https://tonscan.org/advertise