Which L2 added USDC this week?

TLDR

Starknet (STRK) is the Layer 2 that added native USDC this week, confirmed in an official post that Native USDC & CCTP are live on Starknet Mainnet announcement.

1. Native USDC uses Circles burn?and?mint infrastructure per the announcement post.
2. This reduces bridge risk and streamlines transfers between chains for Starknet users.
3. Expect improved liquidity and simpler fiat ramps for Starknet DeFi.

Deep Dive

1. Starknet Launch

Native USDC and Circles Cross?Chain Transfer Protocol (CCTP) are officially live on Starknet Mainnet. The post specifies access to the worlds largest regulated stablecoin natively on Starknet, highlighting Circles burn?and?mint mechanics that remove bridged?token ambiguity foundation post.

• CCTP burns USDC on the source chain and mints USDC on the destination chain, eliminating wrapped variants and reducing bridge risk, per the post above.
• For users and builders, this usually means fewer contract mismatches (for example, avoiding USDC.e variants) and clearer settlement semantics across chains.

2. Why Native Matters

Native USDC typically brings cleaner collateral standards and less operational risk versus bridged tokens, which can fragment liquidity and introduce bridge dependencies.

1. Burn?and?mint workflows simplify cross?chain flows compared to wrappers, helping market makers and apps standardize on one canonical USDC.
2. Fewer token variants can reduce mistakes in contracts and user wallets, improving UX and DeFi composability on Starknet.
3. Stablecoin settlement often tightens DeFi spreads and improves depth, which can help lending, DEX routing, and payments on the chain.

3. Practical Implications

For builders and users, the key checks and opportunities are straightforward.

1. Verify you are interacting with the native USDC contract (not a wrapped token) in your app settings and wallets.
2. Apps with multi?chain flows can adopt CCTP to reduce transfer friction and reconcile funds cleanly across networks.
3. Monitor Starknet DEX depth and lending markets; native USDC typically attracts market makers and can improve pricing.

Conclusion

Starknet is the L2 that added native USDC this week, confirmed by the official announcement. The burn?and?mint model via CCTP reduces bridge risk, consolidates liquidity, and should improve DeFi usability and settlement on Starknet as integrations roll out across the ecosystem.