WBTC is exploring a multi-custodian model for its Bitcoin reserves, moving away from a single-custodian setup to reduce reliance on any one provider. The move brings WBTC in line with how leading institutional Bitcoin products already structure custody, and positions its reserves for the next major shift in Bitcoin security.
Preparing for the Next Security Shift
Bitcoin's security rests on elliptic-curve cryptography. Every transaction is authorized by a signature tied to a private key, and that key cannot be derived from its public key using today's computers. A sufficiently powerful quantum computer could change that. The coins most at risk would be those held in addresses whose public keys are already visible on-chain.
No machine capable of this exists today, and most estimates put that capability years away. But the institutions holding the most Bitcoin aren't waiting for a deadline.
In July 2026, Anchorage Digital, ARK Invest, BlackRock, Block, Blockstream, Coinbase, Fidelity Digital Assets, Galaxy, and Strategy launched the Bitcoin Security Consortium, committing $15 million over three years to Bitcoin's long-term security. Its priorities include quantum-resistant transaction proposals, post-quantum signature integration, and migration tooling for wallets and custodians. On the protocol side, proposals such as BIP-360 outlining quantum-resistant transaction types are in draft. (Source)
The message from the market is clear: prepare early, without panic. WBTC is applying the same thinking to its custody infrastructure.
Why Multiple Custodians
Under the model being explored, WBTC's Bitcoin reserves would be held across several leading institutional custodians instead of one.
A single-custodian setup concentrates everything in one place: one security stack, one key-management system, one operational team, and one upgrade path. If that provider faces an outage, a security incident, or a slow transition to new cryptographic standards, the entire reserve is exposed to the same event.
Distributing reserves breaks that dependency. Each custodian runs its own infrastructure and controls, and each can adopt new standards, including post-quantum signatures, on its own timeline. WBTC is no longer tied to one provider's roadmap.
Multi-custodian custody isn't a standalone answer to quantum risk. It's the foundation that gives WBTC the flexibility to adapt as Bitcoin and custody standards evolve.
Following Institutional Precedent
Custody concentration has been a known issue since US spot Bitcoin ETFs launched in early 2024, when a single provider served most issuers. Since then, major products have diversified: (Source)
Valkyrie became the first spot Bitcoin ETF provider to add a second custodian, bringing in BitGo alongside Coinbase.
21Shares added Anchorage Digital Bank and BitGo alongside Coinbase for its Bitcoin ETF.
WisdomTree appointed Coinbase Custody as a second custodian for its physically-backed Bitcoin ETP.
For an asset as widely used across DeFi as WBTC, applying the same standard is the natural next step.
What It Means for WBTC Holders
WBTC remains 1:1 with BTC held in custody.
No action is required from holders.
Minting and redemption are unchanged.
What Comes Next
WBTC is evaluating a shortlist of leading institutional custodians. Details on the selected custodians and the transition will be announced on the WBTC website once finalized.
Explore the WBTC Ecosystem
View the directory of supported applications and cross-chain bridges across 25+ networks. These are independent third parties and are not endorsed or recommended; returns are not guaranteed.
https://www.wbtc.network/ecosystem
Become an Authorized Merchant
For institutional desks and liquidity providers looking to execute native on-chain minting and redemption, join our growing institutional network:
https://www.wbtc.network/merchants
Frequently Asked Questions
What are the best wrapped Bitcoin tokens for DeFi
WBTC remains the top choice for DeFi because it is the most widely integrated, highly liquid, and deeply trusted option available. It offers universal support across major lending platforms, and reserves are held 1:1 in custody that you can verify on-chain.
WBTC vs BTC Differences
BTC is the native asset of the Bitcoin network, while WBTC is a 1:1 multichain token used on smart contract chains like Ethereum, Solana, TRON and BSC.
Read more: https://www.wbtc.network/articles/wbtc-vs-btc-differences-between-bitcoin-and-wbtc
How to use Bitcoin in DeFi
WBTC can be used as collateral for loans, supplied as liquidity on DEXs, or used in automated yield-farming strategies (e.g. Aave, Spark, Morpho, Concrete, Uniswap, PancakeSwap).
Watch here: https://www.youtube.com/watch?v=qcyjWbrEUUE
Read more: https://www.wbtc.network/articles/how-to-use-bitcoin-in-defi
How to convert BTC to WBTC
Users can convert BTC to WBTC through supported CEXs, DEXs, or on-chain protocols (e.g. Binance, Bybit, Bitget, Uniswap, PancakeSwap). During the process, BTC is sent to the verified merchant and an equivalent amount of WBTC is received by the user (subject to the terms of services of the specific exchange or protocol).
Read more: https://www.wbtc.network/articles/how-to-convert-btc-to-wbtc
WBTC Community
Website | Twitter | Linkedin | Telegram | YouTube | Medium
Disclaimer: Information provided is for information purposes only and is not financial advice. No representation or warranty has been made as to the content, accuracy, timeliness, suitability or completeness of such information. Participation in DeFi carries risks, always do your own research.