# Supply per chain and market cap

Pangea v4: how a coin launches today. Every new launch is a v4 launch. A v4 coin lives on up to six chains: Robinhood Chain, Base, Ethereum, BNB Chain (BSC), Solana and Elysium. The four EVM chains and Solana carry LayerZero and Hyperlane; Elysium carries Hyperlane only. This tab is all of v4: creating a coin, chains and pairs, fees and holder rewards, opening a chain later, handing over, launching from your own wallet, the Bundle Kit, bridging, contracts and the API. Coins launched before v4 are in the v3 and v2 tabs.

- Every v4 coin's address ends in 6ea, on every chain: on the EVM chains its token address, the same on each of them, and on Solana its mint. The contracts refuse an open whose address does not end in 6ea, so a 6ea ending is the mark of a real Pangea coin. Your browser, the SDK and Pangea's server search the salt that gives it before the launch; that takes seconds.
- A v4 coin's name and ticker have no length limit, on any chain. Only an empty name or ticker is refused.
- A v4 coin's metadata (its image and description) is named on chain by a URI. On the EVM chains it is given at the open and the coin's creator can change or clear it later with `setMetadataURI` (at most 128 bytes; the current creator role holder only, nobody once the role is renounced). On Solana it is the `ipfs://` address of the metadata, given at the open as its content digest (CID v0 or v1), and fixed.
- 1B tokens per chain, fixed. A coin lists up to 8 chains and has 1B per chain at most, and each chain's 1B is minted only when that chain opens, once, at an address fixed by the launch. There is no other way to mint it.
- The supply is 1B per chain, not 1B across chains: a coin open on 4 chains has 4B, and its most is 1B times the chains it lists. The API says so: supplyModel "per-chain", capSupply the supply across the open chains, capSupplyMax 1B times the listed chains.
- Degen on a v4 coin means only the lowest opening market cap ($600 a chain to start; a launch on 2 or more chains is sponsored and degen, one on a single chain opens normal at $3,000). It says nothing about supply: a degen coin also has 1B on each open chain.
- The chain list and the transport list are fixed at launch. Nobody, Pangea included, can add a chain, a peer or a transport to a launched coin. Chains Pangea adds later are for coins launched after that.
- Market cap and FDV are the price times the supply summed across the open chains: the supply mirror's figure once it reports (the open chains' tokens, including those on their way between chains, less anything the gap fee burned), else 1B times the open chains. Never one chain's supply. The price is that of the pool the signed price reads, else the deepest official pool. Chains listed but not yet open add nothing to it.
- The coin page and the coin's row in Explore show open on N of M chains: N the chains open now, M the chains the coin lists. The coin page lists each chain: open, with its price, pool and supply, or not open yet.
- Tokenomics on a v4 coin is switched per chain. The coin's creator may turn it on while it is off and the role is not renounced (at the open or later, also again after the platform admin turned it off); the creator can never turn it off or re-point it to another account. The platform admin can turn it on, off and re-point it at any time, for any coin, renounced or not: on EVM chains `adminEnableTokenomics`, on Solana the launcher's `admin_enable_tokenomics` (on, or re-point while on) and its admin disable. The endpoint is `POST /api/tokenomics/v4/switch`.
- The creator's tokenomics vault (EVM) or tokenomics account (Solana) is made on the page, from the creator's own wallet, which pays its gas or rent: at the launch, when an EVM chain is opened later, at Solana's later enable, and at the creator's enable on an open EVM chain. There is no address to paste. Each chain's leg is set in the tokenomics editor (burn, buy and hold, liquidity, holder rewards and payout wallets); on EVM the wallet sends `createVault` on the tokenomics v2.4 factory (skipped when that vault is already there), on Solana `init_tokenomics_v24`. The page rebuilds each transaction and compares it before the wallet is asked, and the turn-on names exactly the vault or account made and read back. It belongs to the coin and stays with it after a handover.
- The platform admin's tokenomics panel is on the coin page, shown only to the admin's wallet (the launch core's admin on EVM, the launcher's program authority on Solana): turn on, re-point (on EVM with a choice to settle first), turn off or clear, on any open chain, at any time, renounced or not, naming the vault or tokenomics account. Every transaction is rebuilt on the page and compared before the wallet is asked.

Part of the Pangea documentation, v4 tab: https://www.pangea.trade/app/docs.md