#Build on VYRE

VYRE is a fast blockchain with USDC for gas. It's fully EVM compatible: Solidity, Foundry, Hardhat, viem, ethers and every wallet work as they do on Ethereum. Transactions are ordered first come, first served, and priority tips are ignored.

VYRE mainnet is live: its USDC is real money. The testnet stays up for building and testing; its USDC is test money with no value, free from the faucet.

#Network

#Start here

1. Add the network with a button above, or by hand with the table's details.
2. Get USDC: bring it in from Arc, or from other chains through Arc (the bridge). To try things first with money that isn't real, use the testnet and its faucet.
3. Deploy a contract with Foundry or Hardhat and verify it on the explorer: Deploy and verify.
4. Build an app: the TypeScript SDK has the chains, the addresses and the launchpad's calls.

#What's different from Ethereum

• USDC is the native currency. msg.value, balances and gas are in USDC with 18 decimals.
• Fees are tiny and include a data fee. Gas estimates include each transaction's data fee, so always estimate rather than hard-coding gas. What a trade costs is measured every day from real transactions: vyrechain.com/gas.
• First come, first served. Priority tips are ignored; a block is made as soon as transactions arrive (so a quiet chain makes few blocks; count time, not blocks).
• Bridging USDC in from Arc takes seconds. Withdrawals wait until VYRE's state is confirmed on Arc (about a day at launch on mainnet): see Bridge.
• block.number isn't VYRE's block number: read ArbSys(0x64).arbBlockNumber() (see Contracts).

#Help

Email team@vyrechain.com. Something wrong in these docs? Tell us the same way.