🚨 Fidelity, which manages $71.0 trillion in assets, issues a warning: could quantum computers in the future directly derive Bitcoin private keys?
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👀 One-sentence update: In a report released on September 1, Fidelity Digital Assets’ research division said that once a sufficiently powerful quantum computer exists, it is theoretically possible to reverse-engineer private keys from already-exposed public keys. This could undermine the mathematical foundations behind the elliptic-curve signatures that currently protect Bitcoin (ECDSA/Schnorr).
📊 Data in plain terms: The real risk window hinges on “public key exposure.” If an address has been spent even once, its public key is placed on-chain, theoretically opening the threat. By contrast, addresses that have never been used are relatively safer. The upgrade cost is also concrete: today a signature is only about 64 bytes; the quantum-resistant SHRiNCS scheme has a minimum signature size of 548 bytes, and the stateless fallback version can reach 5,777 bytes—nearly 100x larger.
🔥 What’s behind the digital numbers: This is one of Bitcoin’s trickiest dilemmas—switching to quantum-resistant signatures would require a soft fork to change consensus. Wallets, miners, exchanges, and custodians would all need to upgrade together. Since signatures become nearly 100x larger, transaction congestion would noticeably drive fees higher. Fidelity added a blunt practical note: right now the mempool is nearly empty, which happens to be the period with the least “outfitting” pressure.
💡 What’s truly worth paying attention to isn’t “quantum computers are coming tomorrow to steal coins,” but the fact that big players have already quietly started moving. This July, Fidelity teamed up with 8 other financial and crypto firms to put up $15 million to establish a Bitcoin Security Special Fund—where anti-quantum research is on the list. The arms race for infrastructure is starting earlier than most people think.
⚠️ A splash of cold water: This is a “long-term insurance” topic, not a short-term market trigger. Don’t use it as a reason to trade or buy into speculation, and don’t rush to move funds out of panic—if you move chaotically now, you may expose your public keys first.
👀 Do you think Bitcoin should switch to quantum-resistant signatures sooner, or should we wait another decade? Let’s discuss in the comments below 👇
Click the avatar to watch the livestream + join the 99 Chat Group to get daily strategies 🚀
#比特币 #BTC #加密市场 #digital assets
Group: 点击进入玖玖的粉丝群
👀 One-sentence update: In a report released on September 1, Fidelity Digital Assets’ research division said that once a sufficiently powerful quantum computer exists, it is theoretically possible to reverse-engineer private keys from already-exposed public keys. This could undermine the mathematical foundations behind the elliptic-curve signatures that currently protect Bitcoin (ECDSA/Schnorr).
📊 Data in plain terms: The real risk window hinges on “public key exposure.” If an address has been spent even once, its public key is placed on-chain, theoretically opening the threat. By contrast, addresses that have never been used are relatively safer. The upgrade cost is also concrete: today a signature is only about 64 bytes; the quantum-resistant SHRiNCS scheme has a minimum signature size of 548 bytes, and the stateless fallback version can reach 5,777 bytes—nearly 100x larger.
🔥 What’s behind the digital numbers: This is one of Bitcoin’s trickiest dilemmas—switching to quantum-resistant signatures would require a soft fork to change consensus. Wallets, miners, exchanges, and custodians would all need to upgrade together. Since signatures become nearly 100x larger, transaction congestion would noticeably drive fees higher. Fidelity added a blunt practical note: right now the mempool is nearly empty, which happens to be the period with the least “outfitting” pressure.
💡 What’s truly worth paying attention to isn’t “quantum computers are coming tomorrow to steal coins,” but the fact that big players have already quietly started moving. This July, Fidelity teamed up with 8 other financial and crypto firms to put up $15 million to establish a Bitcoin Security Special Fund—where anti-quantum research is on the list. The arms race for infrastructure is starting earlier than most people think.
⚠️ A splash of cold water: This is a “long-term insurance” topic, not a short-term market trigger. Don’t use it as a reason to trade or buy into speculation, and don’t rush to move funds out of panic—if you move chaotically now, you may expose your public keys first.
👀 Do you think Bitcoin should switch to quantum-resistant signatures sooner, or should we wait another decade? Let’s discuss in the comments below 👇
Click the avatar to watch the livestream + join the 99 Chat Group to get daily strategies 🚀
#比特币 #BTC #加密市场 #digital assets
