Bitcoin Interoperability Update: OP_RETURN, bitUSD, and More Development Freedom with native BTC
TL;DR Bitcoin Core announced the removal of the 80-byte OP_RETURN limit on May 5th, 2025, expanding Bitcoin’s data capabilities. ZetaChain pioneered a solution using Taproot and inscriptions to pack cross-chain instructions directly into Bitcoin transactions without wrapping or bridging. The first use case is bitUSD, a native BTC-backed stablecoin on ZetaChain that works across all connected chains. ZetaChain brings native BTC into the broader DeFi app ecosystem.
8,500,000 People Strong: ZetaChain Heats Up Early Summer!
TL;DR This past May, we’ve been recognized among the top L1 blockchain projects for development activity by DappRadar, hosted 11 global events, and kicked off the Zeta Summer ’25 campaign. Let’s dive into the highlights!
ZetaChain Summer ’25 Came Early — Get Fit, Learn, and Earn on the Universal Blockchain
TL;DR ZetaChain Summer ’25 kicks off today. Explore the first quest with Pitch Lucy, the first Universal AI Agent. Developers building Universal Apps can apply to join the Summer Batch ’25 — only 20 spots available. Join the new ZetaChain Starboard.
Fiat Rails Meet Universal Apps — Coinbase Onramp Goes Live in the ZetaChain Ecosystem
TL;DR Coinbase Onramp enables near-instant fiat‑to‑ZETA access in 100 + countries. Now live in ZetaHub and any Universal App. Developers can embed seamless wallet funding with just a few lines of code — making the Universal Blockchain one click away for everyone.
A First-Principles Approach to Blockchain Interoperability
TL;DR Most interoperability is built on top of siloed chains, fragmenting both user and developer experience. ZetaChain takes a different approach — embedding cross-chain logic directly into a Layer 1 that unifies all chains, including Bitcoin. This piece explores why the future of crypto is Universal.
5,000,000 People Strong: Spring Blossoms on ZetaChain!
ZetaChain is rapidly growing this spring, reaching over 5 million users, launching key integrations, expanding chain support, hosting global events, and kicking off its inaugural 10 Days of Spring BUIDL—all in pursuit of building a Universal Blockchain with native access to any chain.
Avalanche Joins ZetaChain — The First Universal Blockchain
TL;DR Avalanche is now live on ZetaChain! Use Avalanche in ZetaHub — your portal to the Universal Blockchain. Build Universal Apps that natively span Avalanche, Bitcoin, Ethereum, Solana, and more from a single contract.
