Sei Stablecoin Market Cap Hits All-Time High as May Activity Surges

TLDR:

• Sei stablecoin market cap reached an all-time high of $330.5M on May 15, the strongest month this year.
• Filtered stablecoin transaction volume hit $4.9B in May, marking the highest recorded volume in 2026. 
• Feather’s vaults on Sei hit $59.8M in deposits and a record $24.3M in borrowed amounts on June 2. 
• Sei RWAs recorded $151.8M minted in May, with Ondo’s U.S. Dollar Yield asset driving most activity.

Sei stablecoin activity reached a milestone in May, with market cap hitting an all-time high of $330.5 million on May 15.

Filtered stablecoin transaction volume also climbed to $4.9 billion, the highest recorded this year. Both metrics point to renewed user engagement on the Sei network.

The figures suggest capital is both accumulating and actively changing hands on the blockchain.

Capital Storage and Transaction Volume Tell Two Different Stories

Stablecoin market cap and transaction volume measure distinct aspects of network activity. Market cap reflects how much stablecoin value sits on Sei at any given moment.

Transaction volume, however, captures how frequently that value moves between wallets. Together, they offer a fuller picture of how the network is being used.

A rising market cap typically means users are parking capital for yield or incentive purposes. On Sei, this aligns with Feather’s vaults hitting a deposit high of $59.8 million.

Borrowed amounts on Feather also reached a record $24.3 million on June 2. APR for stablecoins on the platform reached 8% during the same period.

Sei’s real-world asset sector also showed movement throughout May. Sei RWAs recorded $151.8 million minted and $8.3 million burned, with Ondo’s U.S. Dollar Yield asset driving most of that activity.

More assets were created than removed, reflecting continued institutional interest in tokenized yield products on the chain.

Stablecoin volume remains one of the cleaner proxies for real economic activity on any blockchain. Unlike speculative tokens, stablecoins hold a fixed value, so their movement typically reflects actual transactions.

The May figures, while below Sei’s $73 billion peak in July 2025, show a clear recovery trend.

New Projects and Developer Activity Push Network Engagement Forward

Developer and community activity on Sei gained traction heading into June. Daily gas usage for Saphyre hit a new year-to-date high of 2,085 on June 2 following the release of beta codes for its mobile app. The spike reflects growing user interest in the platform’s early-access rollout.

On the research side, Monaco and Fhenix announced a collaborative arm focused on homomorphic encryption for confidential trading.

The initiative explores privacy-preserving methods for on-chain transactions. This type of infrastructure work targets institutional and compliance-sensitive use cases.

Token project Frog launched a weekly campaign rewarding holders for social posts and community engagement. Separately, Tokeny.fun released a token launchpad on Sei featuring a ticker marketplace and automatic burn mechanics. Both launches reflect an active builder environment on the network.

Despite a 25.1% drop in SEI token price over the past seven days, on-chain fundamentals paint a different picture. TVL stands at $57.7 million, and daily EVM transactions remain close to 500,000.

The stablecoin data from May positions Sei as a network working to rebuild economic momentum.

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