What SIP-03 means for exchanges and custodians
There four upgrade paths for exchanges and SEI token custodians. This integration must be completed by June 15, 2026, prior to Cosmos deprecation
Latest
SIP-03: No new CosmWasm contract deployments
Existing CosmWasm contracts and IBC message paging remain unaffected, as legacy Cosmos infra is gradually wound down
TMO Labs Integrating with Sei Network to Bring Blockchain into Everyday Payments in Korea
TMO Labs, a Web3 fintech company, today announced an integration with Sei Network, a high-performance Layer-1 blockchain, aimed at bringing blockchain technology into Korea’s everyday payments and financial infrastructure.
As part of the integration, TMO Labs will use Sei as the core blockchain behind TMO Wallet, with a focus
Holders of IBC Assets on Sei Need to Act Before IBC Is Disabled
Sei's recent upgrade to v6.4 included the mechanism to disable the transfer of IBC assets. If you hold any of these assets, here's what's next
Holders of Wormhole-Bridged WETH on Sei Need to Act Before IBC Is Disabled
Sei's recent upgrade to v6.4 included the mechanism to disable the transfer of IBC assets. If you've bridged WETH to Sei using Wormhole, here's what's next
Holders of Solana USDC on Sei Need to Act Before IBC Is Disabled
Sei's recent upgrade to v6.4 included the mechanism to disable the transfer of IBC assets. If you've bridged Solana USDC to Sei, here's what's next
Holders of Kava USDT on Sei Need to Act Before IBC Is Disabled
Sei's recent upgrade to v6.4 included the mechanism to disable the transfer of IBC assets. If you hold Kava USDT on Sei, here's what's next
Sei Lobs Ships Docs for Agents
Technical docs for the Sei protocol have been AI-optimized: a new skill page provides a single, agent-friendly reference skill for end-to-end development on Sei
Ledger Enterprise Now Supports Sei Network: Institutional-Grade Custody Meets High-Performance Infrastructure
Ledger Enterprise now natively supports Sei. Institutions can send and receive tokens on Sei through Ledger Enterprise's web-based platform, with multi-signature governance, role-based access controls, and audit-ready transaction logs built in.
The integration brings Sei's sub-second finality and near-zero fees into one of the most widely
x402: Sei’s Proposal For Fee Transparency
x402 volume is continuing to grow exponentially. Partly because facilitators greatly simplify the UX. Across the x402 ecosystem, facilitators have begun turning on fees, which is good and signals demand. Here's our proposal to standardize fee transparency before fragmentation wins (again).
Toku Launches Sei-Native Stablecoin Payroll
Employees and remittances can now be paid and settled instantly on Sei, avoiding the days-long delays of traditional bank settlement
New York, NY - [February 12, 2026] - Sei Development Foundation, an independent US non-profit dedicated to the advancement and adoption of open source, permissionless protocols like Sei Network, today
Ondo's USDY is Live on Sei: Tokenized Treasuries Meet High-Performance Infrastructure
United States Dollar Yield (USDY), Ondo Finance’s flagship yieldcoin backed by tokenized short-term U.S. Treasuries, is now live on the Sei Network.
As the first permissionless tokenized U.S. Treasury Bill primitive to debut on Sei, USDY offers the network’s ecosystem of retail users and institutions direct,
The SIP-3 Upgrade: Making Way for Sei Giga
Giga is coming and there are actions you need to take. Holders of USDC.n should migrate to native USDC or risk losing access to those assets. See this post for options to swap or migrate to native USDC.
Last May, the Sei community accepted SIP-3, a proposal to clear
The Market Infrastructure Grid: Tooling and Infrastructure System
"The best code is no code at all." — Jeff Atwood
For years, building onchain meant writing it all yourself. Node infrastructure. Wallet authentication. Contract deployment. Debugging tools. Teams spent months solving problems that had nothing to do with their actual product.
That era is over. Now, teams can