How blockchain and HD keys can solve the global identity crisis

BLOCK CHAIN 🔗 A blockchain is a decentralized, distributed, and immutable digital ledger that securely records transactions in blocks linked together to form a chain. It is a distributed database, with copies of the ledger stored across a network of computers, making it resistant to tampering. Key features include transparency, immutability (data cannot be altered once added), and decentralization, which removes the need for a central authority. How it works Transactions are grouped into blocks: When a transaction occurs, it is verified and then added to a block along with other transactions. Blocks are cryptographically linked: Each new block contains the cryptographic hash of the previous block, linking them together in a chronological chain. The ledger is distributed: The completed block is added to the chain, and this updated ledger is distributed across the network to all participants. Consensus is required: To add a new block, a consensus mechanism (like Proof of Work or Proof of Stake) requires agreement from the majority of the network's participants, ensuring the legitimacy and security of the transaction. Data is immutable: Because each block contains the hash of the previous one, altering any information in a past block would change its hash, breaking the chain and being immediately detectable by the network. Key benefits Security: Encryption and the distributed nature of the ledger make it highly secure and tamper-proof. Transparency: All transactions are recorded on the public ledger, providing a clear and auditable history. Decentralization: It removes the need for a central intermediary, such as a bank, which can reduce costs and increase efficiency. Applications Cryptocurrencies: This is the most well-known application, where blockchain provides a secure and transparent way to record and verify transactions for digital currencies like Bitcoin and Ethereum. Supply Chain Management: It can be used to track the origin and movement of goods, ensuring authenticity and ethical sourcing. Smart Contracts: These are self-executing contracts with the terms of the agreement directly written into code. They automatically execute actions when pre-defined conditions are met. Other areas: Blockchain also has potential applications in healthcare, digital identity, voting systems, and more.

Releasing a Quantum resistant cryptocurrency that utilies a unique number for every coin created and can be used offline and through tap pay and Bluetooth. Leading to the next generation of Cryptocurrency that utilizes actually quantum computers for protection and for design using my companies quantum innovations breakthrough software. Quantum Token (QT): Complete Technical Architecture Your vision for a quantum-resistant cryptocurrency with offline payment capabilities and unique token identifiers is technically feasible. Based on your QSAM Score encryption technology and current blockchain innovations, here's the comprehensive system architecture to make this work. **Quantum Token (QT)** combines post-quantum cryptography, offline NFC/Bluetooth payments, and unique non-fungible identifiers in a hybrid blockchain system. Each of the 7 billion tokens carries a unique sequential number (1 through 7,000,000,000) that persists across all platforms, even when bridged to other blockchains like Ethereum or Solana[1][2]. Every Quantum Token has an immutable unique ID that serves as its blockchain identity: **On-Chain Verification**: The unique ID is embedded in the token's smart contract state and metadata. When tokens are bridged to other chains, the ID is preserved in the wrapped token's metadata (stored on IPFS with on-chain hash verification)[6][7]. **Quantum Wallet Verification**: While tokens can be held in any compatible wallet (MetaMask, Phantom, etc.), only the dedicated Quantum Wallet can verify the authentic unique ID by querying the primary blockchain and validating the cryptographic proof[8][9]. QSAM-Based Post-Quantum Encryption** 13th Chamber LLC QSAM Score technology provides the cryptographic foundation with quantum-resistant security[1][2]: **Primary Signature Scheme**: ML-DSA (CRYSTALS-Dilithium), the NIST-approved post-quantum algorithm[10][11][12]. This lattice-based cryptography is resistant to Shor's algorithm, which quantum computers use to break traditional elliptic curve signatures. **Enhanced Security Layer**: - **SHA-3 (Keccak)** hashing with 512-bit output for quantum resistance[10] - **SPHINCS+** for stateless hash-based signatures as backup - **QSAM Error Mitigation**: Your proprietary 50x improvement factor enhances key generation and reduces quantum circuit noise

NEW ARTICLE JUST LANDED! It's safe to say we're living in the blockchain equivalent of the 1990s internet, when using email required understanding SMTP servers, POP3 protocols, and manual configuration.Except worse… because at least email eventually figured out that users shouldn't need to be system administrators. Blockchain hasn't learned that lesson yet. We're still asking people to manually switch between networks, understand gas tokens, bridge assets across chains, and troubleshoot failed transactions. The solution isn’t better tutorials. It’s Chain Abstraction: making blockchain infrastructure completely invisible to end users. It’s not simplifying it but hiding it entirely, the way Gmail hides SMTP. I've read papers on chain abstraction extensively, and most conversations stay surface-level: Like, "Make crypto easier!" without explaining how, or what we're trading off to get there. And on the week's OnchainJournals publication, I wrote deeply on this topic. I managed to make it simple enough for everyone and useful enough for builders. enjoy your read. #Blochchain #ChainAbstraction #Web3 https://lnkd.in/djwPJG_9

🚀 #60DaysOfWeb3 – Day 15: The Story of How Blockchain Was Born Before “Web3”, before “crypto”, and long before “Bitcoin”… there was just an idea — a dream of a world where people could trust each other without needing a middleman. Let’s rewind time. ⏳ 🧩 The Origins — The Dream of Decentralization In the 1980s–90s, researchers and cypherpunks started exploring digital money. They weren’t trying to “get rich”. They wanted freedom — privacy, security, and independence from centralized control. 💡 Projects like: DigiCash (1989) by David Chaum b-money (1998) by Wei Dai Bit Gold (2005) by Nick Szabo All tried to create a decentralized digital currency — but none solved the double-spending problem (how to prevent someone from spending the same coin twice without a central authority). ⚡ 2008: The Breakthrough Then came Satoshi Nakamoto — a mysterious figure (or group?) who, in 2008, published a whitepaper: 📜 “Bitcoin: A Peer-to-Peer Electronic Cash System” Satoshi combined three powerful ideas: 1️⃣ Cryptography – for security 2️⃣ Peer-to-peer networks – for decentralization 3️⃣ Blockchain – an immutable, shared ledger that everyone can verify The blockchain became the heart of Bitcoin — a chain of blocks, each holding verified transactions, linked securely using cryptography. 🌍 What Happened Next Bitcoin launched in 2009. For the first time ever — money worked without banks. Every transaction was transparent, irreversible, and verified by thousands of nodes around the world. That single invention sparked a revolution 🔥 From there came Ethereum (2015) — taking blockchain beyond currency to smart contracts and decentralized applications. Now, we’re in the era of Web3, where blockchain is transforming not just finance, but identity, governance, art, gaming, and even AI. 🧠 In Short Blockchain wasn’t created overnight. It’s the result of decades of innovation, failures, and vision — and one anonymous genius who connected all the dots. We’re not just learning technology. We’re continuing a movement that started with one belief: Trust the code, not the institution. ⚡ ⚡🔗 Want to learn deeper, get study material, and ask questions? 👉 Join our Telegram group (free): t.me/+U76srvnga41iOWFl 📌 Follow me on X for daily insights: https://x.com/Nawtfound404 #Blockchain #Web3 #Bitcoin #Ethereum #CryptoHistory #SatoshiNakamoto #Decentralization #60DaysOfWeb3

Cryptocurrency is a type of digital or virtual money that uses cryptography (advanced coding techniques) to secure transactions, control the creation of new units, and verify the transfer of assets. Unlike traditional money issued by governments (like the naira, dollar, or euro), cryptocurrencies are usually decentralized, meaning they are not controlled by a single authority such as a bank or government. Instead, they run on blockchain technology, which is a public, secure, and transparent digital ledger. 🔑 Key features of cryptocurrency: Digital only – no physical coins or notes. Decentralized – operates without a central authority. Blockchain-based – transactions are recorded in a transparent ledger. Secure – uses cryptography to protect transactions and ownership. Global – can be sent or received anywhere in the world. ✅ Examples include Bitcoin (BTC), Ethereum (ETH), and BNB (Binance Coin). Would you like me to also explain how cryptocurrency actually works step by step (like how people buy, send, and earn with it)? Great 👍 Let me break down how cryptocurrency works step by step in a simple way: --- 🔹 1. Creation of Cryptocurrency Most cryptos are created through blockchain technology. Bitcoin, for example, is created through a process called mining, where computers solve difficult math problems to verify transactions. --- 🔹 2. Wallets (Where You Store Crypto) To use crypto, you need a wallet (like a bank account, but digital). Wallets can be: Hot wallets (online, like mobile apps: Trust Wallet, MetaMask). Cold wallets (offline, like hardware devices: Ledger, Trezor). Each wallet has: A public key (like your account number – you can share it). A private key (like your ATM PIN – never share it). --- 🔹 3. Transactions When you send crypto to someone, you use their public address. The transaction is recorded on the blockchain. Example: If you send 0.01 BTC to a friend, the blockchain updates instantly and shows you as the sender and your friend as the receiver. --- 🔹 4. Blockchain Verification Every transaction is checked by a network of computers called nodes. They confirm that you have enough balance and that the transaction is valid. Once confirmed, the transaction cannot be changed or deleted. --- 🔹 5. Ownership Whoever has the private key to a wallet controls the money in it. That’s why it’s very important to keep your keys safe. --- 🔹 6. Using Cryptocurrency You can: Buy & Sell on exchanges (e.g., Binance, Coinbase, KuCoin). Send money worldwide instantly (faster & cheaper than banks). Invest (buy and hold hoping the price goes up). Trade (buy low, sell high daily/weekly). Spend (some stores, online services accept crypto). --- 💡 Example: Imagine you want to send money from Nigeria to the US. With banks, it may take 3–7 days and have high fees. With crypto (say USDT on the blockchain), it takes minutes and fees are very low.

Still on my Web3 journey at DLT Hub - diving deeper into how blockchains really work. We covered cryptographic hash functions, public key cryptography, Merkle Trees, blockchain structure, and smart contracts. This sounds like a mouthful, right? But when you break it down, it all starts to make sense. Let’s start with hash functions. - Imagine typing a sentence into a special machine that spits out a unique code (like a fingerprint). Change even a single letter, and the fingerprint changes completely. That’s what hashing does; it turns data into a unique code that proves if anything’s been tampered with. - Next up, public key cryptography. You think of it like having a house with a visible address (your public key) and a private key only you can use to open the door. Anyone can send you a message, but only you can unlock it. That’s how ownership and security work in blockchain. - Then, Merkle Trees. Picture Merkle Trees like a family tree of hashes, smaller hashes combine into bigger ones, and they all connect to a single “root hash.” This makes verifying large amounts of data fast and efficient. Instead of checking everything, the system only needs to check the root, just like tracing a family name to find its lineage. - Then comes Blockchain Structure, each block holds data, its own hash, and the hash of the previous block. This creates a secure chain where every new block depends on the one before it. That’s why tampering with one block breaks the entire chain. Finally, we touched on Smart Contracts, one of my favorite topics so far. These are self-executing agreements coded on the blockchain, they automatically run when certain conditions are met. For instance, imagine paying for a service and the payment only releases when the work is completed; no middleman, no delays. All of this connects beautifully in Ethereum, one of the biggest platforms for smart contracts. It’s like the digital world’s operating system for decentralized apps. The more I learn, the more I realize blockchain isn’t just tech, it’s a new way of defining trust, ownership, and automation. And that’s what keeps me curious every single day. I really hope you have gained one or two things. To the best (loaded) tutor Emmanuel Omemgboji, thanks so much for taking your time to teach us how to really apply the knowledge in real world. #Web3 #Blockchain #DLTAfrica #SmartContracts #Ethereum #MerkleTree #Cryptography #BlockchainLearning #TechEducation

"If blockchain tech is so great... Why normal businesses don't use it?" This was a question we asked ourselves a few years ago. The truth is, despite blockchain’s promise, billions lost every year to hacks and fundamental architectural gaps have held back real business adoption. Here’s why: 1. Single-point failure risks: Most blockchains still revolve around single private keys. One compromised key, and it’s game over. 2. Complex security workflows: Businesses need multi-party approvals, audit trails, compliance checkpoints - not something traditional blockchains provide natively. 3. Integration headaches: Legacy IT infrastructure doesn’t easily mesh with blockchain technology, making rollout costly and slow. 4. Regulatory uncertainty: Without clear frameworks, finance, healthcare, retail, and more hesitate to adopt blockchain for mission-critical operations. 5. Skills gap & change management: True blockchain adoption requires expertise, strategic coordination, and cultural change - barriers many companies can’t easily overcome. Particle CS's State Abstraction is the result of relentless research, prototyping, and out-of-the-box thinking to solve these problems architecturally. It’s not just about making better wallets - it’s about building security into the entire blockchain application design by default. Read our latest Medium article to learn more https://lnkd.in/dDeqfXUp #BlockchainSecurity #StateAbstraction #EnterpriseBlockchain #CryptoSecurity #BlockchainInnovation #ParticleCryptoSecurity

Bhutan May Complete Migration of Self-Sovereign National IDs to Ethereum by Early 2026, Pioneering Decentralized Identity - https://lnkd.in/d-3vGQXF #crypto #bitcoin #blockchain #cryptonewsmax

WHY LAYER-2s MATTER: A QUICK GUIDE TO THE INTERNET’S FAST LANE Look, we all love the idea of decentralized money and unstoppable apps, but the honest truth is that, using the main blockchain (like Ethereum's Layer-1) often feels like your world is behind. It is slow, it is expensive in gas fee, and you are constantly stuck in web-traffic waiting for your transaction to go through. That fundamental frustration is the single biggest barrier to Web3 adoption. If you are a founder building a killer app, your users won't tolerate paying $50 to mint an NFT or waiting 10 minutes for a simple swap. This is why Layer-2s (L2s) are not just an upgrade, they are the required infrastructure that makes Web3 actually usable. 👉 So, what is the difference between L1 and L2? Think of a Layer-1 network (like Ethereum) as the main city highway: it is incredibly secure and decentralized, but its capacity is fixed. To solve the traffic problem, engineers didn't try to make the highway wider; they built entirely new, parallel roads and efficient off-ramps. That is what Layer-2s are: separate, high-speed networks that handle the bulk of the transactions off the main chain. They process thousands of transactions for pennies, then bundle all those thousands of activities into a single, compressed "proof" that gets submitted back to the secure Layer-1 highway. In short, L2s give you the speed and low cost of a centralized server, but you still retain the security and decentralization of the Layer-1 blockchain. You get the best of both worlds. 👉 The L2 Landscape The world of Layer-2s is exploding, but two main solutions dominate the innovation landscape, each with a slightly different approach to security: ✅ Optimistic Rollups: These L2s (like @Optimism and @Arbitrum) "optimistically" assume all the bundled transactions are valid. They post a succinct summary to the Layer-1, but there is a waiting period (often seven days) where anyone can challenge or prove a fraudulent transaction. This creates a powerful economic incentive for everyone to be honest. It’s a "guilty until proven innocent" system, but the security is guaranteed by the Layer-1. ✅ ZK Rollups (Zero-Knowledge Rollups): These L2s (like zkSync and Starknet) are arguably the future. They run the transactions and then generate a cryptographic proof (a ZK proof) that mathematically guarantees the integrity of every single transaction in the bundle. This proof is posted to the Layer-1. There’s no challenge period; the Layer-1 instantly verifies the math. It’s faster, more final, and mind-blowingly secure. 👉 Why Founders and Users Must Care For founders, L2s change the game from "Can I build this?" to "How large can I scale this?" You can finally build consumer-grade apps (e.g. games, social networks, and decentralized exchanges) that feel as smooth and cheap as their Web2 counterparts, without sacrificing the core values of Web3. For the average user, Layer-2s are the solution to the high-cost barrier.

Decred ( DCR) is a community-driven cryptocurrency launched in 2016 with the goal of creating a truly decentralized and self-governing blockchain. What makes Decred unique is its hybrid consensus mechanism, which combines Proof of Work (PoW) and Proof of Stake (PoS) to secure the network and give its community a real voice in decision-making. In the Decred ecosystem, miners (PoW) validate blocks, while stakers (PoS) vote to approve or reject them. This dual-layer structure helps prevent centralization, ensures higher security, and allows the community to influence protocol changes directly. Unlike many blockchains where development decisions are controlled by a few people, Decred empowers DCR token holders to vote on upgrades, spending of treasury funds, and governance matters through its on-chain voting system and governance platform Politeia. Another standout feature is its treasury system: a portion of block rewards goes into a decentralized fund that supports the project’s development and ecosystem growth. This gives Decred long-term financial independence without relying on outside investors. DCR tokens can be used for staking, governance participation, payments, and trading on major exchanges. Its hybrid structure also offers resistance to chain takeovers (51% attacks) and gives power back to the community. While Decred offers strong decentralization and governance innovations, it faces challenges like lower adoption compared to larger networks such as Bitcoin or Ethereum, and competition from newer governance-focused chains. Still, Decred remains a respected project in the crypto space for its focus on security, fairness, and community control.