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Swap DAI on Base to USDT on Linea

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What you need to know

DAI and USDT: two stablecoin ledgers

DAI is a crypto-backed dollar-oriented stablecoin whose canonical and bridged contracts vary by network. Its peg design does not make two network representations interchangeable. USDT is issued through ERC-20, TRC-20, SPL, and other network-specific contracts. The ticker does not determine the token standard, contract, issuer controls, or destination address model. The route changes both asset identity and network representation; dollar-oriented pricing does not remove issuer controls, liquidity spread, contract, or receiving-network checks.

DAI input identity and handling

Dai is classified as a stablecoin for this route. DAI uses a network-specific contract asset on Base. The recorded Base representation uses 18 decimal places. DAI leaves through its network-specific stablecoin contract and can require approval; the collateral design does not make a bridged DAI contract canonical.

USDT output identity and receiving

Tether is classified as a stablecoin for this route. USDT uses a network-specific contract asset on Linea. The recorded Linea representation uses 6 decimal places. Confirm whether the output is ERC-20, TRC-20, SPL, or another USDT standard; a wallet supporting one standard may not credit another.

Base to Linea L2 handoff

This route crosses two L2 execution environments. Base settles to ethereum, while Linea settles to ethereum; each side keeps its own gas balance, token contracts, transaction hash, and settlement progress.

Base source execution

Base is a L2 EVM network in the Ethereum ecosystem. ETH pays source-side network gas on Base. EVM 0x account address A Base source transaction is sequenced on the OP Stack rollup and later settles to Ethereum; Base ETH and Base token approvals remain on the L2 ledger.

Linea destination execution

Linea is a L2 EVM network in the Ethereum ecosystem. ETH pays destination-side network gas on Linea. EVM 0x account address A Linea receipt is recorded on the zkEVM L2 before the related proof settles to Ethereum; later activity needs ETH on Linea and the Linea token contract.

Mistakes specific to DAI Base to USDT Linea

Route-specific mistakes include sending on a network other than Base; using a destination that is not valid for Linea; running out of ETH before the source transaction is submitted; selecting a stablecoin by ticker without checking its network contract. A Base source transaction is sequenced on the OP Stack rollup and later settles to Ethereum; Base ETH and Base token approvals remain on the L2 ledger. DAI leaves through its network-specific stablecoin contract and can require approval; the collateral design does not make a bridged DAI contract canonical. A Linea receipt is recorded on the zkEVM L2 before the related proof settles to Ethereum; later activity needs ETH on Linea and the Linea token contract. Confirm whether the output is ERC-20, TRC-20, SPL, or another USDT standard; a wallet supporting one standard may not credit another.

Private Route for DAI → USDT

Base wallet, token-transfer, contract, log, and gas activity remain public, and Linea wallet, token-transfer, contract, log, and gas activity remain public. For this DAI on Base to USDT on Linea path, Private Route is intended to reduce the direct visible relationship between activity around the source-side EVM 0x account address and destination-side EVM 0x account address; it does not hide either chain's public records.

  • ✓Reduces the obvious link between the DAI deposit and USDT receipt
  • ✓Compare standard and Private Route options for Base → Linea
  • ✓Shows what remains public on Base and Linea before you deposit
Check Private Route availability →

Related routes

No-KYC and verification rulesPrivate DAI to USDT route explainerPrivacy limits and live availabilitySwap USDT to DAIReverse routeDai (DAI)Tether (USDT)Base networkLinea networkBrowse supported swap routes

Swap DAI on Base to USDT on Linea FAQs

What exactly leaves Base as DAI?

DAI is a contract representation on Base with 18 decimals at 0x50c5725949A6F0c72E6C4a641F24049A917DB0Cb. ETH, not DAI, pays gas unless both symbols are the same. A Base source transaction is sequenced on the OP Stack rollup and later settles to Ethereum; Base ETH and Base token approvals remain on the L2 ledger. DAI leaves through its network-specific stablecoin contract and can require approval; the collateral design does not make a bridged DAI contract canonical.

What exactly arrives on Linea as USDT?

USDT is a contract representation on Linea with 6 decimals at 0xA219439258ca9da29E9Cc4cE5596924745e12B93. ETH, not USDT, pays gas unless both symbols are the same. A Linea receipt is recorded on the zkEVM L2 before the related proof settles to Ethereum; later activity needs ETH on Linea and the Linea token contract. Confirm whether the output is ERC-20, TRC-20, SPL, or another USDT standard; a wallet supporting one standard may not credit another.

Why does the DAI to USDT direction matter?

DAI leaves through its network-specific stablecoin contract and can require approval; the collateral design does not make a bridged DAI contract canonical. On receipt, Confirm whether the output is ERC-20, TRC-20, SPL, or another USDT standard; a wallet supporting one standard may not credit another.

What changes between the source and destination asset roles?

DAI is the deposited stablecoin input; USDT is the quoted stablecoin output. Source allowance or native-spend rules and destination wallet/representation checks are evaluated separately.

What should be matched before sending DAI?

DAI leaves through its network-specific stablecoin contract and can require approval; the collateral design does not make a bridged DAI contract canonical. A Base source transaction is sequenced on the OP Stack rollup and later settles to Ethereum; Base ETH and Base token approvals remain on the L2 ledger. A Linea receipt is recorded on the zkEVM L2 before the related proof settles to Ethereum; later activity needs ETH on Linea and the Linea token contract. Confirm whether the output is ERC-20, TRC-20, SPL, or another USDT standard; a wallet supporting one standard may not credit another.

Which stablecoin contract must this route match?

DAI must match its Base representation. USDT must match the quoted Linea representation. A ticker or target price is not enough to identify a token contract.

What funds the Base source transaction?

ETH is the native gas asset for Base. A Base source transaction is sequenced on the OP Stack rollup and later settles to Ethereum; Base ETH and Base token approvals remain on the L2 ledger. DAI is token-tracked and can need approval before transfer.

Can I swap DAI on Base to USDT on Linea without KYC?

Requirements are checked for the live DAI Base to USDT Linea quote. Verification requirements can depend on the provider, amount, jurisdiction, and current route. Sasquatch does not verify this route as universally no-KYC; check the live flow before continuing.

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