Reference
Contracts, constants and integration notes for Robinhood Chain (chain id 4663).
Deployment
PaidrhLaunchpad0xE18Dc4DfBC2FEE30A28FF55599B5D2B567c566fE
PaidrhVault0x39Fed79c99Bf41e5109Ca169573d8efb0EC0D42a
Oracle (attestations)0xA6E2F3557f173c7E149027FF76997F9760E0ea92
Delivery operator0xF8cA027f7aAc7930b21854cF12e882cBCf875366
Treasury0xF8cA027f7aAc7930b21854cF12e882cBCf875366
Relayer (gasless)0x0F1b4894A8281f3D992Fa3A7b11d608b14f975b9
RPChttps://rpc.mainnet.chain.robinhood.com
Indexed from block64118381
Deployed2026-09-16T01:34:03.722Z
Listing
Total supply1.00B — all of it in the Uniswap V2 pool at launch
Uniswap V2 router0x89e5db8b5aa49aa85ac63f691524311aeb649eba
Min pool seed (wallet launch)10 USDG
Sponsored launch seed (from the launch fund)10 USDG
LP tokensburned (0x…dEaD)
Fee constants
BASE_FEE_BPS100 (1%)
PROTOCOL_FEE_BPS30 (0.3%)
CREATOR_BASE_BPS70 (0.7%)
HOLDER_BPS (reflections on)25 (0.25%)
Creator tax range100–1000 bps (1%–10%)
Anti-snipe99% decaying to 0 over 5 s, buy leg only, launcher exempt, buyer nets ≥ 1%
DELIVERY_DELAY / FEE24 hours / 300 bps
ABANDON_AFTER180 days
Interface
PaidrhLaunchpad
launch(handle, name, symbol, imageUri, creatorTaxBps, reflections, launcherTag, seedQuote, initialBuyQuote) → token launchSponsored(...) // relayer only, seeded from the launch fund fundSeed(amount) // anyone tops up the free-launch fund getCoin(token) / getCoins(offset, limit) → CoinView (price, liquidity, fees…) Trading: Uniswap V2 router, swapExactTokensForTokensSupportingFeeOnTransferTokens
PaidrhVault
claim(handleHash, xUserId, amount, to, submitter, deadline, sig) setPayout(handleHash, xUserId, payout, submitter, deadline, sig) setLock(handleHash, xUserId, locked, submitter, deadline, sig) cancelDelivery(handleHash, xUserId, submitter, deadline, sig) requestDelivery(handleHash, destination) → id // anyone executeDelivery(id) / attachProof(id, uri) // operator, after 24h sweepAbandoned(handleHash, coin) // anyone, after 180 days idle EIP-712 domain: PaidrhVault v1 · Attest(bytes32 handleHash, bytes32 xUserId, address submitter, uint8 action, bytes32 paramsHash, uint256 nonce, uint256 deadline)
PaidrhCoin (ERC20)
pair() totalTaxBps() potFees() holderFees() protocolFees() processFees() withdrawableOf(account) claimRewards()
handleHash = keccak256(lowercase handle without @). xUserId = keccak256(X user id string). Price = USDG per whole token with 18 decimals.