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About Nubit
Nubit is a Bitcoin-native data availability layer developed by Riema Labs. Its NubitBFT consensus supports a large validator set, and zkSNARK-based signature aggregation cuts inter-validator communication from quadratic to linearithmic complexity; data availability sampling and KZG-based namespaced Merkle trees let light clients verify availability without downloading full blocks. The later Bitcoin Thunderbolt runs directly on Bitcoin Core and uses UTXO Bundling to merge unspent outputs and lower transaction costs.
The line-up includes the DA layer, Thunderbolt's UTXO bundling and the BitMM onchain AMM, plus Goldinals, a unified format for Bitcoin assets. Clients are Bitcoin layer 2s, indexers and Ordinals-style applications that post proof data to Nubit and anchor commitments to Bitcoin for censorship resistance. Compared with writing data straight into Bitcoin blocks, it trades independent consensus for throughput, placing the security boundary in the combination of Nubit validators and Bitcoin anchoring; Thunderbolt's programmability depends on opcodes such as OP_CAT being enabled through a soft fork, timing set outside the project.
Nubit, positioned as a Bitcoin boosting network for native assets, trading, and verification, has progressed through several pivotal milestones. In April 2024, it launched the Pre-Alpha Testnet, attracting 155,115 users and processing over 560,000 transactions, laying the groundwork for its modular data availability layer. The Alpha Testnet followed in June, culminating in its third phase, which expanded the ecosystem with consumer-grade applications and strengthened community engagement.
A defining moment came with the introduction of Goldinals, a unified protocol for Bitcoin assets conceptualized by Domo (creator of BRC-20) and implemented by Nubit. Built on BitVM, Goldinals consolidates fragmented standards like BRC-20 and Ordinals into a single, trust-minimized framework, enabling programmability, multi-signature wallets, and conditional transfers—all natively on Bitcoin. This represents a significant step toward a cohesive and scalable Bitcoin asset ecosystem.
Nubit also launched the BitVM IDE, a development tool for Bitcoin zero-knowledge proofs, lowering the barrier for developers to build verifiable applications. Strategic integrations with Babylon Devnet and Manta Network’s testnet validated Nubit’s DA layer across diverse ecosystems, extending its utility beyond Bitcoin to multi-chain frameworks like Polygon CDK, OP Stack, and Arbitrum Orbit. Backed by $12 million in funding led by Polychain, Nubit continues to advance Bitcoin infrastructure, bridging Web2 and Web3 through solutions like Minichain, while positioning itself as a cornerstone of the Bitcoin-native data availability landscape.
In 2026 Nubit announced no new funding or mainnet upgrade. Third-party material updated in April still lists it as a Bitcoin-native data availability layer: NubitBFT with SNARK-based signature aggregation supporting up to 200,000 validators, data availability sampling with erasure coding, BTC anchoring, and BRC-1310 as the technical baseline.
Nubit turns Bitcoin's security budget into the trust source for data availability and indexing, uses Nuport to widen multichain access for developers, and makes verifiable locks and TVL reporting an industry standard.
Yu Feng — CEO and co-founder; Assistant Professor of Computer Science at UC Santa Barbara, best-paper award winner at PLDI/ASE, and co-founder of Veridise.
Hanzhi Liu — Co-founder; UCSB PhD student (on leave), B.S. from Shanghai Jiao Tong University, focusing on program verification and ZKP circuit security.
Hongbo Wen — Co-founder; UCSB senior PhD student (on leave), B.S. from Tsinghua, researches blockchain security and ZKP circuits.