Web3 Tech Brief By HackerNoon

This story was originally published on HackerNoon at: https://hackernoon.com/merkle-trees-the-45-year-old-idea-that-still-holds-the-blockchain-together . A clear guide to Merkle trees, from Bitcoin light wallets and Git diffs to Ethereum’s state trie and the shift toward Verkle trees. Check more stories related to web3 at: https://hackernoon.com/c/web3 . You can also check exclusive content about...

This story was originally published on HackerNoon at: https://hackernoon.com/retail-trading-tools-versus-market-realities-interview-with-quantmap-founder-ivan-patriki . Do traders need better tools or is trading the biggest myth ever sold to society ? Check more stories related to web3 at: https://hackernoon.com/c/web3 . You can also check exclusive content about #crypto-adoption , #crypto-market-...

This story was originally published on HackerNoon at: https://hackernoon.com/energy-spikes-ai-and-the-new-bitcoin-mining-economy . Energy shocks, AI demand, and rising oil prices are reshaping Bitcoin mining into a global energy and infrastructure race. Check more stories related to web3 at: https://hackernoon.com/c/web3 . You can also check exclusive content about #btc , #bitcoin-mining , #ai , #...

This story was originally published on HackerNoon at: https://hackernoon.com/btcc-exchange-celebrates-bitcoin-pizza-day-with-mystery-pizza-campaign-featuring-1-btc-grand-prize . Looking ahead, June 2026 marks BTCC’s 15th anniversary. With a major celebration and FIFA World Cup Check more stories related to web3 at: https://hackernoon.com/c/web3 . You can also check exclusive content about #web3 ,...

This story was originally published on HackerNoon at: https://hackernoon.com/afx-launches-sovereign-layer-1-providing-an-optimized-execution-environment-for-on-chain-perp-dexes . The architectural foundation of AFX represents a radical departure from legacy decentralized platforms that remain tethered to the high latency and structural b Check more stories related to web3 at: https://hackernoon.co...

This story was originally published on HackerNoon at: https://hackernoon.com/rho-labs-announces-rho-relay-bringing-private-cross-chain-settlement-to-the-canton-network . Built for the next phase of crypto market structure, Rho Relay is designed to be more than a conventional bridge or swap interface. It brings Check more stories related to web3 at: https://hackernoon.com/c/web3 . You can also chec...

This story was originally published on HackerNoon at: https://hackernoon.com/can-claude-audit-smart-contracts-zero-shot-vulnerability-detection-across-five-swc-classes . Claude Sonnet 4.6 caught all five known smart contract vulnerabilities in a zero-shot benchmark test — but marked every single one as Critical. Check more stories related to web3 at: https://hackernoon.com/c/web3 . You can also ch...

This story was originally published on HackerNoon at: https://hackernoon.com/designing-a-blockchain-based-universal-healthcare-identity-system-with-hyperledger-and-gcp . A technical blueprint for building a blockchain-based Universal Healthcare ID system using Hyperledger Fabric, Google Cloud, and FHIR interoperability standards Check more stories related to web3 at: https://hackernoon.com/c/web3...

This story was originally published on HackerNoon at: https://hackernoon.com/bitcoin-miners-are-not-disappearing-they-are-being-repriced-as-ai-infrastructure . Bitcoin mining difficulty fell 7.76% at block 941,472 on March 21, 2026, marking the second-largest negative adjustment of the year. Check more stories related to web3 at: https://hackernoon.com/c/web3 . You can also check exclusive content...

This story was originally published on HackerNoon at: https://hackernoon.com/critical-minerals-africa-and-the-case-for-tokenization-as-a-serious-financing-mechanism . Africa holds 30% of the world's critical minerals but can't access the capital being built around them. Here's why tokenization may change that. Check more stories related to web3 at: https://hackernoon.com/c/web3 . You can also chec...

This story was originally published on HackerNoon at: https://hackernoon.com/smart-contract-security-a-taxonomy-of-vulnerabilities-attacks-and-defenses . A practical taxonomy of smart contract vulnerabilities, covering reentrancy, integer overflow, access control, MEV, invariant violations, and key defense strate Check more stories related to web3 at: https://hackernoon.com/c/web3 . You can also c...

This story was originally published on HackerNoon at: https://hackernoon.com/wefi-visa-deal-shows-stablecoins-still-need-a-spending-layer . The volume is there. The checkout isn't. WeFi's stablecoin Visa card targets the gap between holding USDC and actually buying something with it. Check more stories related to web3 at: https://hackernoon.com/c/web3 . You can also check exclusive content about #...

This story was originally published on HackerNoon at: https://hackernoon.com/why-the-sec-delayed-prediction-market-etfs . Prediction market ETFs were supposed to launch. The SEC paused them. Here's why settlement is broken, who has jurisdiction, and who ends up unprotected. Check more stories related to web3 at: https://hackernoon.com/c/web3 . You can also check exclusive content about #prediction...

This story was originally published on HackerNoon at: https://hackernoon.com/europe-is-tightening-crypto-rules-while-the-us-fights-over-them . Europe and the US are taking sharply different approaches to stablecoin regulation as digital assets become embedded in global finance. Check more stories related to web3 at: https://hackernoon.com/c/web3 . You can also check exclusive content about #crypto...

This story was originally published on HackerNoon at: https://hackernoon.com/is-bip-110-bitcoins-defense-against-spam-or-the-start-of-a-chain-split . An opinion-driven analysis of BIP-110, Bitcoin spam mitigation, and the growing ideological conflict around arbitrary data on Bitcoin. Check more stories related to web3 at: https://hackernoon.com/c/web3 . You can also check exclusive content about #...

This story was originally published on HackerNoon at: https://hackernoon.com/gomining-launches-gobtc-pay-to-bring-native-instant-payments-to-bitcoin . This makes it practical to use Bitcoin at the point of sale for everyday purchases. Payments are free for end-users and merchants pay a small acquiring fee that Check more stories related to web3 at: https://hackernoon.com/c/web3 . You can also chec...

This story was originally published on HackerNoon at: https://hackernoon.com/zoomex-launches-the-worlds-first-zero-cost-trading-competition-let-skill-be-your-only-asset . This competition not only provides participants with a professional trading experience at zero cost and zero risk but also embodies Check more stories related to web3 at: https://hackernoon.com/c/web3 . You can also check exclusi...

This story was originally published on HackerNoon at: https://hackernoon.com/who-pressed-the-button-w3ios-porter-stowell-on-governing-ai-agents-that-move-money . W3.io's Porter Stowell on the operating system for autonomous finance, governing AI agents at machine speed, and the collapse of hyperscaler pricing. Check more stories related to web3 at: https://hackernoon.com/c/web3 . You can also chec...

This story was originally published on HackerNoon at: https://hackernoon.com/the-great-pivot-in-mining-inside-the-miner-to-gpu-migration . For years, Bitcoin (BTC) mining was the obvious way to monetize access to cheap electricity, fast deployment, and high-density capacity. Check more stories related to web3 at: https://hackernoon.com/c/web3 . You can also check exclusive content about #web3 , #m...

This story was originally published on HackerNoon at: https://hackernoon.com/mexc-and-ceo-vugar-usi-win-four-awards-at-the-2026-mena-stevie-awards . MEXC wins 4 MENA Stevie Awards 2026 for AI trading, CSR, and leadership. CEO Vugar Usi drives innovation with tools reducing panic selling by 47%. Check more stories related to web3 at: https://hackernoon.com/c/web3 . You can also check exclusive cont...

This story was originally published on HackerNoon at: https://hackernoon.com/stablecoin-fraud-detection-in-cryptocurrency-how-algorithms-can-identify-risk-before-it-becomes-loss . AI-powered stablecoin fraud detection using graph analytics and machine learning to spot crypto scams, risky wallets, and laundering patterns. Check more stories related to web3 at: https://hackernoon.com/c/web3 . You ca...

This story was originally published on HackerNoon at: https://hackernoon.com/$131-million-confiscated-inside-cryptos-largest-law-enforcement-partnership . Binance processed 71,000 law enforcement requests & helped seize $131M in illicit funds, highlighting crypto’s growing role in global financial crime prevention Check more stories related to web3 at: https://hackernoon.com/c/web3 . You can a...

This story was originally published on HackerNoon at: https://hackernoon.com/certik-is-funding-web3s-cybersecurity-defense-rails-as-anthropics-mythos-changes-the-game . CertiK commits $50,000 to Ethereum's Security QF as Anthropic's Mythos rewrites the threat model for every blockchain running on vulnerable infrastructure. Check more stories related to web3 at: https://hackernoon.com/c/web3 . You...

This story was originally published on HackerNoon at: https://hackernoon.com/space-and-time-launches-virtual-vaults-as-crypto-lending-hits-$75b-and-the-2022-lessons-get-built-in . Space and Time launches Virtual Vaults as institutional crypto lending hits $75B. Cryptographic verification replaces the quarterly attestation model. Check more stories related to web3 at: https://hackernoon.com/c/web3...

This story was originally published on HackerNoon at: https://hackernoon.com/why-defence-demand-has-become-the-defining-signal-in-critical-minerals-finance . Defence budgets are replacing climate policy as the engine of critical minerals capital. Here's what that means for mining executives and investors. Check more stories related to web3 at: https://hackernoon.com/c/web3 . You can also check exc...