Tether Expands to Solana With USDT0 and XAUT0 for Cross-Chain Use

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Tether has expanded its reach to Solana by launching two omnichain tokens, USDT0 and XAUT0, built using LayerZero technology. These tokens are managed by Everdawn Labs and are designed to move seamlessly across blockchains while staying fully backed.

USDT0 connects Solana to a broader liquidity network that includes Ethereum, Tron, TON, and others. According to Lorenzo R., co-founder of USDT0, the system now taps into more than $175 billion worth of Tether liquidity across chains.

Circulating Supply Still in the Early Stages

Right now, USDT0 has a circulating supply of roughly 7.5 billion tokens. XAUT0, the gold-backed counterpart, sits at around 7,355 tokens. For context, standard USDT currently exceeds 180 billion tokens, while the original version of XAUT has a supply of about 375,572 tokens.

The Legacy Mesh and XAUt0 are live on @solana.

The largest stablecoin and the most trusted store of value, enabling internet capital markets, payments, and crypto applications on one of the largest blockchains in the world.

Your USDT and XAUt, now on Solana. pic.twitter.com/hTx0TzLRRL

— USDT0 (@USDT0_to) October 15, 2025

These figures show that USDT0 and XAUT0 are still small compared to their mainline versions. But the idea is not to replace them; instead, it’s to make them usable in more places, with less friction.

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Solana Taps Into Cross-Chain Liquidity

With this integration, Solana becomes directly connected to Tether’s native ecosystem without relying on wrapped tokens or bridges. That means fewer risks, faster transfers, and smoother movement of capital.

Tamar Menteshashvili, Head of Stablecoins at the Solana Foundation, said the update brings more efficiency to both ecosystems. She pointed out that it benefits institutional payments, DeFi platforms, and general fund movement.

For Solana, having gold-backed XAUT0 on-chain adds another tool for builders. Programmable gold can now be used in lending, hedging, or even as treasury collateral across decentralized protocols.

Legacy Mesh Makes the Whole Thing Work

Behind the scenes, the system runs on Legacy Mesh, a stablecoin-native interoperability framework built using LayerZero. It is designed specifically for stablecoins and tokenized assets like gold, avoiding traditional wrapped asset setups.

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Unlike synthetic tokens, every transfer through Legacy Mesh is backed by real assets. The system charges a 0.03 percent fee per transaction, paid in USDT.

Since its launch, USDT0 has moved through nine different chain pathways, processed more than 320,000 transactions, and moved over $25 billion in total bridge volume. That’s a significant footprint for a product that remains relatively under the radar.

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What Happens Next Will Be Key

This rollout shows that cross-chain finance is moving into a more connected phase. Solana now has direct access to the largest stablecoin liquidity pool and one of the only tokenized gold products with meaningful usage.

For developers, the opportunity is wide open. With native access to USDT0 and XAUT0, they can create applications without relying on fragile bridge infrastructure. This could include lending platforms, cross-border remittance tools, or treasury systems using real-world value.

Still, the big question is growth. The numbers are small right now, and adoption will take time. If the system proves stable and efficient, though, it could put Solana in a strong position as the go-to chain for seamless, cross-chain financial operations.

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Key Takeaways

• Tether launched two new omnichain tokens—USDT0 and XAUT0—on Solana using LayerZero tech, linking Solana directly to over $175 billion in cross-chain Tether liquidity.
• USDT0 and XAUT0 are still small in supply but aim to boost usability across blockchains rather than replace existing stablecoins.
• The rollout removes the need for wrapped assets or bridges, making cross-chain transfers faster, safer, and more capital-efficient.
• Legacy Mesh, a framework tailored for stablecoins and tokenized assets, powers the system and has already processed over $25 billion in volume.
• Developers on Solana can now build with native programmable gold (XAUT0) and stablecoin access, unlocking use cases in DeFi, payments, and treasury tools.

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