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How Blockchains Are Preparing for the Post-Quantum Cryptography Era
Key Points
- Quantum computing could eventually challenge the cryptographic foundations that secure today’s blockchain networks.
- Major ecosystems such as Bitcoin, Ethereum, Cardano, Solana, and Polkadot are actively researching post-quantum cryptography solutions.
- Transitioning to quantum-resistant signatures will require large-scale protocol upgrades, new address formats, and gradual user migration.
- The global cryptographic community, including NIST, is standardizing post-quantum algorithms that blockchains are beginning to adopt.
The Coming Quantum Challenge to Blockchain Security
Blockchain technology was designed around the assumption that certain mathematical problems are extremely difficult for classical computers to solve. Digital signatures such as the Elliptic Curve Digital Signature Algorithm (ECDSA) protect wallets, verify ownership, and secure billions of dollars in digital assets. For more than a decade, these cryptographic systems have proven reliable because solving their underlying equations would require impractical amounts of computing power.
Quantum computing introduces a different computational model that could potentially overturn these assumptions. Algorithms such as Shor’s algorithm theoretically allow sufficiently powerful quantum machines to derive private keys from publicly visible blockchain data. If that capability becomes practical, attackers could sign fraudulent transactions, access dormant wallets, and undermine confidence in existing blockchain infrastructures. Although experts still debate the timeline, the growing pace of quantum research has pushed blockchain communities to begin preparing long before the threat becomes immediate.
Ethereum’s Roadmap Toward Quantum-Resistant Infrastructure
Ethereum has emerged as one of the most proactive ecosystems in preparing for post-quantum security. The Ethereum research community recognizes that migrating a global smart-contract platform to new cryptographic standards is a complex, multi-year effort requiring both technical upgrades and ecosystem coordination. As a result, post-quantum readiness is increasingly treated as a long-term strategic priority rather than a distant theoretical concern.
The Ethereum Foundation has begun evaluating cryptographic schemes standardized by the U.S. National Institute of Standards and Technology (NIST), including ML-KEM for secure key exchange and ML-DSA-based signature systems derived from Dilithium. These algorithms rely on lattice-based cryptography, which is currently believed to resist both classical and quantum attacks. Ethereum researchers are also examining hybrid signature approaches that combine existing cryptography with quantum-resistant components, allowing gradual migration without disrupting the network overnight.
However, quantum-resistant signatures are significantly larger than current signatures, creating technical challenges related to transaction size, storage requirements, and network throughput. Ethereum’s scaling research—including rollups, data-availability improvements, and modular architectures—may play a crucial role in absorbing the additional data overhead required for post-quantum security.
Bitcoin’s Gradual Consensus-Driven Transition
Bitcoin’s decentralized governance model means that any major security upgrade must proceed through broad community consensus. Instead of sudden protocol changes, developers are exploring soft-fork mechanisms that introduce new address types capable of supporting quantum-resistant signatures while maintaining backward compatibility. This approach allows users to voluntarily migrate their funds over time rather than forcing immediate transitions.
One of the central challenges facing Bitcoin is the protection of long-inactive wallets whose public keys may already be exposed on the blockchain. If quantum capabilities arrive before those funds are moved, they could become vulnerable. Therefore, proposed solutions emphasize migration tools, wallet upgrades, and long-term planning horizons that may extend five to ten years. Industry participants and research organizations are also experimenting with hybrid cryptographic frameworks that combine classical security with post-quantum primitives, offering an intermediate layer of protection during the transition period.
A Broader Industry Movement Toward Post-Quantum Standards
Beyond Bitcoin and Ethereum, many blockchain ecosystems are integrating post-quantum research directly into their development roadmaps. Cardano researchers have examined lattice-based signature systems as part of long-term network resilience planning, while high-performance platforms such as Solana are experimenting with quantum-resistant transaction mechanisms in testing environments. Polkadot’s research teams are exploring how new cryptographic primitives could be integrated into its multichain architecture without compromising interoperability or performance.
At the same time, specialized networks designed around quantum-resistant cryptography from the start—such as the Quantum Resistant Ledger (QRL)—are working toward compatibility with widely used smart-contract environments. These projects serve as experimental laboratories for testing how post-quantum cryptography performs in real blockchain conditions, providing valuable insights that larger ecosystems can adopt when the time comes.
The Long Transition to Quantum-Secure Blockchains
Preparing blockchains for the quantum era is not a single upgrade but a multi-stage evolution that includes algorithm standardization, protocol redesign, wallet migration, and user education. Even if large-scale quantum attacks remain years away, the sheer size of global blockchain networks means that preparation must begin early. The migration to post-quantum cryptography will likely resemble previous major protocol transformations—gradual, collaborative, and carefully tested to ensure that security improvements do not introduce new vulnerabilities.
Ultimately, the industry’s proactive research efforts demonstrate a growing recognition that blockchain technology must evolve alongside advances in computing. By adopting hybrid security approaches, developing migration pathways, and integrating quantum-resistant algorithms into long-term roadmaps, blockchain ecosystems are positioning themselves to maintain trust and resilience in a future where quantum computing becomes a practical reality.
FAQ
What is post-quantum cryptography?
Post-quantum cryptography refers to cryptographic algorithms designed to remain secure even against attacks performed by powerful quantum computers. These systems rely on mathematical problems believed to be resistant to both classical and quantum computational techniques.Will quantum computers soon break Bitcoin or Ethereum?
Most researchers believe that quantum computers capable of breaking current blockchain cryptography are still years away. However, preparation is necessary because upgrading global decentralized networks takes significant time and coordination.How will users protect their funds in a post-quantum world?
Users will likely migrate their assets to new wallet addresses that use quantum-resistant signatures. Wallet providers and exchanges are expected to integrate automatic migration tools once new standards are implemented.Why can’t blockchains upgrade instantly to quantum-resistant cryptography?
Upgrading requires consensus across developers, miners, validators, and users. Additionally, quantum-resistant signatures are larger and may affect network performance, so scaling and compatibility solutions must be implemented carefully.Which blockchains are leading post-quantum research?
Major ecosystems such as Ethereum, Bitcoin, Cardano, Solana, and Polkadot are actively researching post-quantum cryptography, while specialized networks like the Quantum Resistant Ledger are experimenting with fully quantum-secure architectures.2026-02-13 · a month ago0 0407Delta SkyMiles Secrets: Save More on Flights and Upgrades
What Are Delta SkyMiles and Why Should You Care?
Delta SkyMiles is the loyalty program of Delta Air Lines, one of the largest airlines in the U.S. and a key member of the SkyTeam alliance. As a SkyMiles member, you earn miles for flying, shopping, dining, and more, which you can redeem for flights, upgrades, hotel stays, car rentals, and exclusive experiences. The best part?
Joining the Delta SkyMiles program is completely free, and your miles never expire, making it a no-brainer for anyone who travels—even occasionally.
But what if you’re just a few thousand miles short of that dream vacation? That’s where buying Delta points comes in. Whether you’re topping off your account for a business class upgrade or planning a budget-friendly getaway, purchasing Delta miles can be a game-changer—if you know how to do it right.
Is Delta SkyMiles Free to Join?
Yes, joining Delta SkyMiles is 100% free! All you need to do is sign up on the Delta website, and you’ll get your SkyMiles account number instantly. Once enrolled, you can start earning miles on Delta flights, partner airlines, credit card spending, and everyday activities like dining or shopping through Delta’s portals. There are no hidden fees, and the program is open to anyone, regardless of where you live or how often you fly.
Why Join SkyMiles?
- Free to join: No cost to start earning miles.
- Miles never expire: Save them for as long as you want.
- Global reach: Redeem miles on Delta and over 30 partner airlines, including SkyTeam members like Air France and KLM.
- Versatile redemptions: Use miles for flights, upgrades, hotels, car rentals, and more.
How Do Delta SkyMiles Work?
Understanding how Delta SkyMiles work is key to maximizing their value. Here’s a breakdown:
Earning Miles: You earn miles based on the ticket price (excluding taxes and fees) for Delta-marketed flights. General members earn 5 miles per $1 spent, while elite Medallion members can earn up to 11 miles per $1, depending on their status level. Basic Economy fares, however, do not earn miles. You can also earn miles through Delta’s co-branded American Express cards, shopping portals, dining programs, and partners like Uber or Airbnb.
Redeeming Miles: SkyMiles can be redeemed for Award Travel on Delta and partner airlines, seat upgrades, Delta Sky Club memberships, vacation packages, and more. The value of a mile varies, but NerdWallet estimates Delta miles are worth about 1.2 cents each for economy tickets. Aim for redemptions that offer at least this value to get the most bang for your buck.
Dynamic Pricing: Delta uses dynamic pricing for award flights, meaning the number of miles required fluctuates based on demand, route, and season. This can make it tricky to find sweet spots, but Delta’s frequent flash sales can offer great deals.
How to Buy Delta Miles: A Step-by-Step Guide
If you’re short on miles for your next adventure, buying Delta SkyMiles is a straightforward process. Here’s how to do it:
1- Log In to Your SkyMiles Account: Visit delta.com and sign into your SkyMiles account. Your account must be at least 10 days old and have earned at least 1 mile to be eligible to buy miles.
2- Navigate to Buy Miles : Find the Buy Miles option under the SkyMiles section.
3- Select Your Amount: You can purchase miles in increments of 2,000, up to 60,000 miles per calendar year. The cost is $0.035 per mile (3.5 cents), plus applicable taxes.
4- Complete the Purchase: Enter your payment information, and the miles will be credited to your account within 24–48 hours
.Pro Tip: Watch for Delta’s promotional offers, which sometimes include bonus miles or discounted rates when buying miles. These promotions can make purchasing miles more cost-effective.
Is Buying Delta Miles Cheap or Worth It?
Let’s address the big question: Can you buy Delta miles cheap? At 3.5 cents per mile, purchasing Delta SkyMiles is rarely a bargain compared to their average redemption value of 1.2 cents per mile. However, there are scenarios where buying miles makes sense:
Topping Off for a High-Value Redemption: If you’re a few thousand miles short of a premium cabin award (like Delta One), buying miles can be cheaper than paying the full cash price for the ticket.
Flash Sales: Delta’s award sales can offer discounted mileage rates for specific routes, making purchased miles more valuable. Check Delta’s Award Deals page for current promotions.
Last-Minute Travel: If cash fares are sky-high, using miles (even purchased ones) can save you money.
When to Avoid Buying Miles:
If you can earn miles through other methods, like transferring American Express Membership Rewards points (at a 1:1 ratio, though with a small transfer fee).
If you’re not close to a specific redemption goal, as buying miles speculatively can be costly.Example: A round-trip business class ticket to Europe might cost $3,000 in cash or 150,000 miles. At 1.2 cents per mile, those miles are worth $1,800. If you’re 10,000 miles short, buying them for $350 (plus taxes) could save you money compared to the cash fare.
Conclusion: Should You Buy Delta SkyMiles?
Buying Delta SkyMiles can be a smart move if you’re close to a dream redemption, especially for premium cabins or during award sales. However, at 3.5 cents per mile, it’s not always the cheapest option. Focus on earning miles through flights, credit cards, and partners first, and only buy miles when the math makes sense. By joining the free Delta SkyMiles program and using strategic tips like leveraging promotions or the Take Off 15 benefit, you can unlock incredible travel experiences without breaking the bank.
2026-01-16 · 2 months ago0 0407What is KYC? Why Crypto Exchanges Require ID Verification
If you have ever tried to Register on a major cryptocurrency exchange, you have likely encountered a step that feels invasive: the request to upload a photo of your driver’s license or passport.
This process is known as KYC (Know Your Customer).
For privacy-focused crypto natives, KYC can feel like a betrayal of the decentralized ethos. However, for the industry to mature and integrate with the global banking system, it is an absolute necessity. Understanding why KYC exists—and how it actually protects you—is essential for any serious trader.
The Regulatory Shield: AML and CFT
KYC isn't just an arbitrary rule made up by exchanges to annoy users. It is a legal requirement mandated by global financial regulators to combat two specific crimes:
- Anti-Money Laundering (AML): Preventing criminals from turning "dirty" money (from drugs or theft) into "clean" crypto assets.
- Combating the Financing of Terrorism (CFT): Ensuring funds aren't flowing to sanctioned terrorist organizations.
If an exchange allows users to move millions of dollars anonymously, it becomes a haven for illicit activity. By enforcing KYC, exchanges like BYDFi ensure they remain compliant with international laws, which keeps the platform open and operational for legitimate users.
How the Process Works
When you sign up to perform a Quick Buy of Bitcoin with a credit card, you will typically go through three stages of verification:
- Customer Identification Program (CIP): This is the basic data collection—your full name, date of birth, and address.
- Customer Due Diligence (CDD): This is the verification stage. You upload a government-issued ID (Passport or Driver's License) and often perform a "liveness check" (scanning your face with your phone camera) to prove you are the person on the ID.
- Ongoing Monitoring: Exchanges continuously monitor transaction patterns. If a user suddenly deposits $10 million from a suspicious wallet mixer, it triggers a review.
The Benefits for the User
While KYC feels like a hurdle, it offers distinct advantages for the user:
- Higher Limits: Unverified accounts are often restricted to small withdrawals. Completing KYC unlocks the ability to trade large volumes on the Spot market and withdraw higher daily amounts.
- Account Recovery: If you lose your password and your 2FA device, an anonymous account is often lost forever. With a KYC-verified account, you can prove your identity to customer support and recover your funds.
- Banking Integration: You cannot connect a traditional bank account to an anonymous crypto wallet. KYC builds the trust bridge that allows fiat currency to flow in and out of the exchange.
H2: KYC vs. Decentralization
There is a valid tension between KYC and the principles of crypto.
- CEX (Centralized Exchanges): These platforms hold custody of your funds and connect to banks. They must require KYC to operate legally.
- DEX (Decentralized Exchanges): Platforms like Uniswap usually do not require KYC because they are just code running on a blockchain. However, they lack the customer support, fiat on-ramps, and advanced tools found on centralized platforms.
Conclusion
KYC is the "admission ticket" to the professional crypto economy. It legitimizes the industry, deters criminals, and allows regular investors to connect their bank accounts to the blockchain safely. While it takes a few minutes to complete, the security and higher limits it unlocks are worth the effort.
Ready to access the full features of a professional exchange?
Frequently Asked Questions (FAQ)
Q: Is my personal data safe when I submit KYC?
A: Reputable exchanges use enterprise-grade encryption to store user data. It is crucial to only submit KYC documents to trusted, established platforms and never to random websites.Q: Can I trade crypto without KYC?
A: You can trade on decentralized exchanges (DEXs), but you will face difficulties buying crypto with fiat currency (USD/EUR) or recovering your account if you lose access.Q: How long does KYC verification take?
A: On modern exchanges, the process is automated. It typically takes anywhere from 5 minutes to 24 hours, depending on the clarity of the photos and the backlog of the compliance team.Join BYDFi today, complete your verification in minutes, and unlock the full power of the crypto market.
2026-01-08 · 3 months ago0 0406Why Everyone’s Talking About Brokerage Account — And Why You Should Pay Attention ?
It's likely that you've heard the word "brokerage account" used in financial forums, by your astute friends. However, what is it? And above all, should you own one?
If you're weary of your money sitting in a low-interest savings account, trying to grow wealth, or planning for retirement, knowing how to open a brokerage account can transform your financial situation.
The definition, operation, types, and potential tax implications of brokerage accounts—including the taxable brokerage account—will all be covered in this tutorial. If you've been asking "what is a brokerage account?" you've come to the right place. such as "how to open a brokerage account.
What is a Brokerage Account?
One kind of investment account that can be opened with a brokerage business is a brokerage account. The brokerage company will carry out investment orders per your request, and you can deposit funds into the account.
When buying stocks, bonds, mutual funds, or exchange-traded funds online, a lot of investors use brokerage accounts. Once such investments are acquired, they are also held in brokerage accounts, which enables investors to monitor the growth of their portfolio over time.
There are no restrictions on how much you can deposit or what you can do with the money in a brokerage account. You will not receive the tax advantages of other investing accounts, such retirement accounts, in return for this flexibility.
Different Types of Brokerage Accounts:
Before you rush to open one, it’s important to know that not all brokerage accounts are created equal
1. Taxable Brokerage Account
This is the most common type. It’s perfect for general investing without contribution limits. However, it's subject to brokerage account taxes, which include: Capital gains tax when you sell an investment at a profit, dividend tax if your investments pay income.
2. IRAs and Roth IRAs for retirement
These have greater restrictions on withdrawals but give tax benefits.
3. Self-Directed versus Managed Accounts
Self-directed: The funds and stocks are chosen by you.
How to Open a Brokerage Account ?
After choosing a broker, it usually takes less than fifteen minutes to open an account with the company. In order to verify your identity, you will be required to submit your name, address, Social Security number, identification, and other personal data during the application process.
Parents can open a brokerage account for their children, but in most places, you have to be at least 18 to start an account. Many brokerage businesses do not need an upfront deposit, and opening a brokerage account should be free of charge.
However, in order to fund the account later when you're ready to buy investments, you will need to link a bank account once you've opened it. Keep in mind that any funds you move or investments you buy in the brokerage account belong to you, and you can sell them at any moment.
The broker only manages your account and serves as a go-between for you and the investments you wish to purchase. There is no annual cap on the amount of money you can deposit into a taxable brokerage account, and you can open many brokerage accounts based on your objectives.
Final Thoughts:
A brokerage account gives you the freedom and flexibility to build wealth on your terms. From opening the account to understanding brokerage account taxes, knowing the ins and outs can help you make informed decisions and avoid costly mistakes.
A brokerage account is one of the most powerful tools available for building wealth. Whether you're saving for a home, planning for retirement, or simply want to grow your money more effectively, a brokerage account gives you the flexibility and freedom to invest on your own terms.
From choosing the right type of account to understanding tax implications, being informed will help you make confident investment decisions. If you're serious about taking control of your financial future, opening a brokerage account is a smart first step
Ready to learn more about trading strategies and crypto safety? Check out BYDFi for beginner tutorials, expert insights .
2026-01-16 · 2 months ago0 0406Top 5 AI Meme Coins to Watch in Late 2025
Introduction
Meme coins used to be about dogs and frogs. In late 2025, they are about Robots. The "AI Meme" sector is the best-performing niche of Q4, blending the viral explosive power of memes with the "up only" narrative of Artificial Intelligence.
The Top Lists
- Turbo (TURBO): The first meme coin created entirely by GPT-4. It has proven resilience and is now a staple "AI culture" coin.
- Virtuals Protocol (VIRTUAL): Not just a coin, but a platform for creating AI characters. It’s the "metaverse" play of the AI sector.
- AIXBT: An autonomous agent that trades and tweets. Holding the token is like betting on the agent's performance.
- Goatseus Maximus (GOAT): The first "terminal of truths" AI coin that shocked the market. High risk, high reward.
- Official Trump (TRUMP): While political, its recent integration with AI-driven prediction markets makes it a unique crossover play.
How to Trade Them Safely
AI meme coins are volatile. They can drop 30% in an hour.
- Don't HODL Forever: These are narrative plays. Take profits when the crowd is euphoric.
- Use BYDFI: Trade these tokens with leverage on BYDFI to maximize small price moves, but always use a stop-loss.
Conclusion
The intersection of AI and Memes is where the retail money is flowing. Pick your robot, manage your risk, and enjoy the ride.
Disclaimer
This content is for educational purposes only and does not constitute financial or investment advice. Cryptocurrency trading, especially with leverage or meme coins, involves a high level of risk and may result in the loss of your entire capital. Always perform your own research (DYOR) and consult a professional advisor before making any investment decisions.2026-01-16 · 2 months ago0 0405VET and VTHO Explained: Your VeChain Questions, Answered Simply
Alright, let's have a frank chat. Have you ever looked into VeChain, maybe even bought some VET, and then suddenly saw this other token called VTHO? It can be a little confusing, right? You might be thinking, "Did I miss something? Why are there two? Do I need both?"
Believe me, you are not the first person to ask this, and it's a fantastic question. It shows you're thinking like a smart investor, wanting to understand the mechanics of what you're getting into. Many projects can feel overly complicated, but I promise you, this one is actually quite simple—and even brilliant—once you see the logic behind it.
Think of It Like a Car and Its Fuel
This is the easiest way to understand the relationship between VET and VTHO.
- VeChain Token (VET) is your car. It's your asset, your investment. It represents your ownership stake in the VeChain network. The more VET you hold, the bigger and better your "car" is within the ecosystem. It holds the primary value and is what you buy and trade on an exchange like BYDFi.
- VeChainThor Energy (VTHO) is the fuel. You need fuel to make a car run, right? In the same way, you need VTHO to make things happen on the VeChain blockchain. Every time someone uses the network—whether it's Walmart tracking a shipment or a developer uploading a smart contract—it costs a little bit of "fuel." VTHO is that fuel.
So, VET is the value token, and VTHO is the energy or "gas" token that powers the network's operations.
Why Bother With Two Tokens? The Genius Reason
This is where you'll really start to appreciate the forethought of the VeChain team. The two-token system was designed to solve a huge problem that plagues other blockchains like Ethereum: unpredictable fees.
Have you ever tried to make a transaction on another network and the fee was ridiculously high and always changing? That's a nightmare for regular users, but it's completely unacceptable for a business. A company like BMW or Walmart needs to know exactly what its operational costs will be. They can't run a global supply chain on a network where transaction fees could suddenly jump 500% in an hour.
By separating the value token (VET) from the gas token (VTHO), VeChain protects you and its enterprise users from this volatility. The price of VET can go up and down with the market, but the network can adjust how much VTHO is needed for a transaction to keep the actual cost stable and predictable. This is a massive advantage and a key reason why serious companies are building on VeChain.
The Best Part? You Don't Even Have to Buy the Fuel
This is the part that should make you smile. How do you get the VTHO "fuel"? You don't have to go out and buy it.
Simply by holding VET in your wallet, you automatically generate VTHO.
It's like having a car that produces its own fuel just by sitting in your garage. It's a built-in reward for being a VET holder and supporting the network. This makes the entire ecosystem self-sustaining. The more people who hold VET, the more VTHO is generated, ensuring there's always enough fuel to power the network's growth.
You're Now Ahead of the Curve
See? It's not so complicated after all. You now understand a core feature of VeChain that leaves many others scratching their heads. You see that the two-token system isn't a bug; it's a feature—a brilliant solution for real-world business adoption and a rewarding mechanism for investors like you.
You were looking for clarity, and now you have it. You can see the smart, sustainable model VeChain is built on.
Don't let the details hold you back from a smart opportunity. Now that you understand the power of VET and the genius of VTHO, it's time to put that knowledge to work. Buy VeChain (VET) on BYDFi today and start generating your own blockchain fuel!
2026-01-16 · 2 months ago0 0405
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