quantumcomputers

Today, June 22, 2026, President Donald Trump signed two executive orders focused on quantum tech. One is about development and research in the sector. The other concerns post-quantum cryptography. Both have direct implications for crypto that most media outlets aren't connecting the dots on.
What do the orders say?
The first order tasks the FBI and the intelligence community with protecting U.S. quantum research from foreign espionage, and directs the Departments of Energy and Defense to build and house a quantum computer for scientific use. The Commerce Department will need to draft plans to ramp up federal investment in sector companies.

Post-quantum cryptography (PQC) refers to cryptographic algorithms designed to resist attacks from both classical and future large-scale quantum computers (often called Cryptographically Relevant Quantum Computers or CRQCs). Bitcoin currently relies on ECDSA (Elliptic Curve Digital Signature Algorithm) using the secp256k1 curve for transaction signatures and ownership control. This is vulnerable to Shor's algorithm, which could efficiently solve the discrete logarithm problem underlying elliptic curve cryptography on a sufficiently powerful quantum computer.
The Quantum Threat to Bitcoin#
Public keys are the main target. In many Bitcoin transactions (especially pre-Taproot or certain spends), exposing a public key allows a quantum adversary to derive the private key.
Once a public key is revealed (e.g., when spending from an address), there's a window for a quantum computer to forge signatures and steal funds.
The blockchain history itself and SHA-256-based Proof-of-Work are generally considered more resistant (Grover's algorithm provides only quadratic speedup for hashing, not a practical break).
Estimates for "Q-Day" (when this becomes feasible) vary, but recent analyses (including from Google researchers) suggest it could happen sooner than previously thought, potentially with fewer resources, though still likely years away (e.g., late 2020s to 2030s).
Bitcoin does not natively use PQC today. Protection comes from ongoing research, proposals, and community-driven upgrades.
How PQC Would Protect Bitcoin
PQC replaces or augments vulnerable primitives with algorithms based on hard problems that quantum computers (using Shor's or similar) are not known to solve efficiently. Common categories include:
Lattice-based (e.g., ML-DSA/Dilithium, Falcon) — Rely on learning with errors (LWE) or similar problems.
Hash-based (e.g., SPHINCS+/SLH-DSA, XMSS) — Security reduces to the collision-resistance or preimage resistance of hash functions (like SHA-256, which Bitcoin already trusts). These are conservative and well-understood.
Others like code-based or multivariate, but hash- and lattice-based are most discussed for Bitcoin.
Key mechanisms in proposals:
New Output Types — BIP 360 (Pay-to-Merkle-Root or P2MR/P2QRH variants) introduces quantum-resistant address schemes. It removes the "key path" that exposes public keys on-chain (similar to Taproot but without the vulnerable internal key). Users can spend via script paths that support PQC signatures. This protects new transactions and addresses immediately upon adoption.
Post-Quantum Signatures — Integrate schemes like SPHINCS+ (hash-based, NIST-standardized) or ML-DSA into the script system. Signatures would be larger (hundreds to thousands of bytes vs. ~70 bytes for ECDSA), impacting fees and block space, so optimizations and hybrid approaches are explored.
Hybrid and Migration Strategies — Combine old (ECDSA) and new signatures for backward compatibility during transition. Proposals like BIP 361 outline phased sunsetting of legacy outputs, potentially freezing un-migrated coins after a deadline to force migration.
Other Defenses:
Commit/Reveal schemes to hide public keys longer in the mempool.
Encouraging users to move funds from exposed (e.g., legacy P2PKH) addresses to new quantum-safe ones.
Wallets and services adding PQC support proactively.
Current Status (as of 2026)
BIP 360 is a formal proposal and has been implemented in experimental/testnet forks (e.g., by BTQ Technologies). It's a foundational step but not yet activated on mainnet.
Discussions around SPHINCS+ and other schemes continue in Bitcoin dev communities. Full migration would likely require soft forks and could take years due to Bitcoin's conservative governance.
Forks and alternative projects (e.g., Quantum Resistant Ledger, custom Bitcoin forks) have already implemented PQC.
No immediate threat exists today, but "harvest now, decrypt later" attacks mean long-term data (like unspent outputs) should migrate proactively.
In summary, PQC protects Bitcoin by swapping out quantum-vulnerable math (elliptic curves) for quantum-resistant alternatives, primarily through new address types, signature schemes, and careful migration plans. This ensures that even if a quantum computer breaks ECDSA, new and migrated funds remain secure. The process emphasizes crypto-agility—Bitcoin's decentralized nature allows upgrades, but it requires broad consensus. Users can help by moving to modern, Taproot/P2MR-style addresses now and staying informed on proposals.
#BTC走势分析 #quantumcomputers

#BTC BREAKING: Quantum Breakthrough Sparks New Debate on Crypto Security ⚡₿
A major milestone in quantum computing has just been achieved, raising serious questions about the future of digital security. Independent researcher Giancarlo Lelli has successfully cracked a small-scale Bitcoin-style cryptographic key—earning a 1 BTC reward in the process.
🏆 The achievement was officially recognized under the Q-Day Prize, marking one of the most advanced public demonstrations of quantum cryptanalysis to date.
📊 FROM THEORY TO REALITY
Just a year ago, quantum systems could barely handle a 6-bit ECC test. Now, that limit has jumped to 15-bit, proving that Shor’s algorithm is gradually becoming practical as quantum hardware evolves.
💡 WHAT THIS MEANS FOR BITCOIN
While Bitcoin still relies on Elliptic Curve Cryptography with 256-bit security, this breakthrough sends a clear signal:
Quantum computing is no longer just theoretical
Real-world cryptographic tests are accelerating
Future risks are becoming more visible
Experts believe that older “legacy wallets,” where public keys are already exposed, could be the first to face potential threats once quantum machines scale further.
⚠️ REALITY CHECK
Let’s keep things in perspective:
A 15-bit key is extremely small compared to Bitcoin’s 256-bit encryption
The gap between current capability and real-world attacks is still massive
No quantum computer today can break Bitcoin’s security
👉 In simple terms: this is like unlocking a basic padlock—not breaking a high-security vault.
🔮 THE FUTURE OF CRYPTO SECURITY
The crypto industry isn’t ignoring this. Developers are already researching post-quantum cryptography, which could protect networks even in a quantum-powered world.
And remember—Bitcoin has evolved before. If needed, it can adapt again.
📌 FINAL THOUGHT
This isn’t the end of crypto—it’s a glimpse into the future.
The real question is no longer “Can quantum break crypto?”
It’s “How long do we $have before it can?” ⏳⚡
#BTCSurpasses$79K #StrategyBTCPurchase #quantumcomputers $BTC
$ETH
$XRP

The quantum threat to crypto no longer feels like a distant concern. After NIST's decisions, warnings from Coinbase, and updates from Google, projects need to decide: is the talk about being 'quantum-ready' backed by a real plan or just a marketing gimmick?
In August 2024, NIST approved the first three standards for post-quantum cryptography and directly recommended starting the transition now. The deadline is set in stone — by 2035, vulnerable public key algorithms must be phased out.

​Is the legend of "unbreakable encryption" fading? While everyone is glued to the charts looking for the next $BTC All-Time High, a technical storm is brewing in the shadows. Emerging data from Quantum Computing labs suggests we are hitting "Point Zero" the moment Bitcoin’s SHA-256 encryption could become a relic of the past.
​🔬 Under the Crypto Microscope:
The jump in Quantum AI models in 2026 isn't just progress it’s an earthquake. If these machines achieve the ability to decrypt Private Keys faster than estimated, we are looking at the largest redistribution of wealth in human history.
​The Nightmare Scenarios:
​Dormant Wallets: Will Satoshi’s coins move due to a Quantum strike?
​The Digital Arms Race: Can developers upgrade the core code before the "Day Zero" attack?
​The Trust Collapse: What happens to the price the second a successful "Quantum Hack" is leaked?
​As Crypto Microscope, I don’t spread FUD ,
I put the cold, hard truth under the lens. History shows that technology waits for no one.
​💬 COMMUNITY DEBATE:
​If this threat is proven 100% real tomorrow, what is your move?
1️⃣ EXIT: Sell everything and move to physical assets.
2️⃣ HODL: Trust that Bitcoin devs will implement a Post-Quantum Fork.
3️⃣ SHIFT: Move capital into "Quantum-Resistant" altcoins immediately.
​Drop your number in the comments! Let’s see who has the sharpest vision! 👇
​#Bitcoin #quantumcomputers #CryptoNews #BTC #BinanceSquare #CryptoMicroscope #MarketAlert #Web3 #BlockchainSecurity
​⚠️ Disclaimer: This content is for educational and discussion purposes only. It is based on emerging technological theories and does not constitute financial advice. Always Do Your Own Research (DYOR).