Coinbase Urges Bitcoin to Prepare for Quantum-Resistant Security Upgrade
Coinbase highlights the urgency of planning for quantum-resistant upgrades to Bitcoin's security infrastructure.
Coinbase highlights the urgency of planning for quantum-resistant upgrades to Bitcoin's security infrastructure. Bitcoin (BTC) is trading at R$408.116 ($81,041.00), down 0.3% since this brief published. This is an original Criptano brief synthesising 3 outlets (CoinEdition, CoinCodex, Cointribune), plus live market data, as of Thu, 15 Oct 2026 11:46:23 UTC.
Quantum computing advancements pose a potential threat to Bitcoin's cryptographic security, making proactive planning essential to protect the network's long-term integrity and user funds.
- Coinbase emphasizes the need for Bitcoin to transition to quantum-resistant security measures.
- The upgrade process could take years and involves complex technical and economic challenges.
- Bitcoin's network hashrate remains strong at 1028 EH/s despite broader market downturn.
CoinEdition and CoinCodex both report Coinbase's call for Bitcoin to begin planning a quantum-resistant security upgrade, though they differ in focus. CoinEdition emphasizes the technical challenges, including transaction fees, verification costs, and the treatment of legacy coins, while CoinCodex's coverage is more market-oriented, noting Zcash's planned security upgrade and its impact on price momentum. Both outlets agree on the urgency of the issue but diverge in their framing of the broader market implications.
- Coinbase Proposes Early Bitcoin Quantum Security Measures Amid 5% BTC Custody
- Coinbase Urges Bitcoin to Prepare for Quantum-Resistant Security Upgrade — this brief
Coinbase has issued a call for 
Bitcoin developers to start planning a transition to quantum-resistant security measures. The exchange warns that the process could take years due to the complexity of implementing changes to the network and its wallets.
The proposed upgrade extends beyond simply choosing new digital signatures. Coinbase highlights several challenges, including managing transaction fees, verification costs, and the treatment of coins that cannot be moved to upgraded wallets. These issues underscore the need for comprehensive planning and coordination within the Bitcoin community.
While the specifics of the upgrade are still under discussion, the urgency of the matter is clear. Quantum computing advancements pose a potential threat to Bitcoin's cryptographic security, making it imperative to address these vulnerabilities proactively.
The call for a quantum-resistant upgrade comes as the Bitcoin network maintains a robust hashrate of 1028 EH/s, indicating strong network security despite recent market fluctuations. The broader crypto market, however, is experiencing a downturn, with the total market cap at $2.79T and Bitcoin's price down 2.55% in the last 24 hours.
In related news, 
Zcash (ZEC) is testing key technical levels as traders assess its planned security upgrade and new price forecasts. ZEC has seen a significant 24-hour price drop of 10.53%, reflecting broader market sentiment.
Since this brief published about 22 hours ago, Bitcoin (BTC) has moved from R$409.204,08$81,257.00 to R$408.116,32$81,041.00 — -0.27%.
The chart plots BTC's price: grey is the move before this brief published, the vertical dashed line marks the moment it published, the horizontal dashed line is the price then, and the coloured area is the move since — from Criptano's market data (daily resolution). It shows what happened after the news, not that the news caused it; many factors move prices. Not financial advice.
Will Bitcoin dip to $80,000 in October?
Crowd-implied probability on Polymarket, R$394,615 24h volume, resolves Nov 1 — snapshotted when this brief published (Oct 15 09:05 UTC). A market price reflects what traders collectively expect; it is not a forecast by Criptano and will have moved since. View the market ↗
At today's peer-to-peer rate, 1 BTC ≈ R$409,743.3 (about $81,041.00), down 2.8% over 24 hours. The real itself trades about 0.4% above the official rate on the P2P market, so a Brazilian buyer's effective cost differs from the headline dollar price.
Live market data
Current prices for the assets in this story — live, source-stamped, updated every 15 minutes.
Figures and sectors in this story, checked live against on-chain aggregators · October 15, 2026.
Criptano reads these figures directly from on-chain aggregators (DeFiLlama, mempool.space) at build time — independent of what any outlet reported. Sector totals aggregate every protocol DeFiLlama tracks in that category. Values are live and will change.
Coinbase Urges Bitcoin to Prepare for Quantum-Resistant Secu — questions & answers
What is the main concern with Bitcoin's current security?
The main concern is that advances in quantum computing could potentially break Bitcoin's cryptographic security, necessitating a transition to quantum-resistant measures.
How long might the upgrade process take?
Coinbase estimates that the transition to quantum-resistant security could take years due to the complexity of the changes required.
What challenges does the upgrade face?
Challenges include managing transaction fees, verification costs, and the treatment of coins that cannot be moved to upgraded wallets.
How much is 1 Bitcoin worth in real today?
About R$409,743.3 at the live peer-to-peer (P2P) USDT rate, which is what Brazilians typically trade at — equivalent to roughly $81,041.00. The real price moves with both BTC's US-dollar price and the USDT/BRL rate; use our Bitcoin in real page for any amount.
Has Bitcoin's price moved since this brief was published?
BTC is down 0.27% since this brief first published — trading at R$408.116 ($81,041.00) now versus R$409.204 ($81,257.00) at publication. Criptano re-checks this figure against CoinGecko and Binance every 15 minutes.
Which outlets reported this story?
This is an original Criptano brief that synthesises reporting from CoinEdition, CoinCodex, Cointribune, with the key figures cross-checked for agreement across them. It is not a copy of any one article — follow the source links above for the original reporting.
Original summary — not financial advice. This is an original Criptano brief that summarises a development reported elsewhere and adds live market data for context; it is not the original article and reproduces no part of it. Follow the source link above for full details. Crypto is volatile and high-risk — always do your own research.