
Web3 Tech Brief By HackerNoon
130 episodes — Page 1 of 3
Critical Minerals, Africa, & the Case for Tokenization as a Serious Financing Mechanism
Smart Contract Security: A Taxonomy of Vulnerabilities, Attacks, and Defenses
WeFi Visa Deal Shows Stablecoins Still Need a Spending Layer
Why the SEC Delayed Prediction Market ETFs
Europe Is Tightening Crypto Rules While the US Fights Over Them
Is BIP-110 Bitcoin’s Defense Against Spam or the Start of a Chain Split?
GoMining Launches GoBTC Pay to Bring Native Instant Payments to Bitcoin
Zoomex Launches the World’s First Zero-Cost Trading Competition: Let Skill Be Your Only Asset
Who Pressed the Button? W3.io's Porter Stowell on Governing AI Agents That Move Money
The Great Pivot in Mining: Inside the Miner-to-GPU Migration
MEXC and CEO Vugar Usi Win Four Awards at the 2026 MENA Stevie Awards
Stablecoin Fraud Detection in Cryptocurrency How Algorithms Can Identify Risk Before It Becomes Loss
$131 Million Confiscated: Inside Crypto's Largest Law Enforcement Partnership
CertiK Is Funding Web3's Cybersecurity Defense Rails as Anthropic's Mythos Changes the Game
Space and Time Launches Virtual Vaults as Crypto Lending Hits $75B and the 2022 Lessons Get Built In
Why Defence Demand Has Become the Defining Signal in Critical Minerals Finance
Bad Governance Can Break Even the Best Tech, Says GoodDollar's Sam McCarthy
What Happens When Crypto Communities and Their Developers Disagree
How ClawBank Is Turning Bureaucratic Paperwork Into the Next Open API for AI Agents
The Decentralized Compute Problem Nobody’s Talking About
2025 Hedera Africa Hackathon Announces Winners, Becomes the Largest Web3 Hackathon Globally
MEXC Ranks No. 2 Globally by Spot Market Share, TokenInsight Reports
Symbiotic and Midas Launch Instant Liquidity for Tokenized Assets
MEXC and Sumsub Partner to Strengthen Global Compliance and Combat Emerging Identity Fraud Risks
Who Watches the AI Agent Moving Your Money? W3.io Launches First Control Layer on Avalanche
Tether Collaborates With Fasset to Launch the First Gold-Backed Visa Card and ATMs Globally
PoW to PoS to PoB: Nexus AiCOS Defines "Proofs of Behavior" as the On-Chain Credit Standard on Base
How to Secure Accurate Measurements in a Decentralized System Without Oracles
Living on Crypto Was Never the Hard Part (We Just Overcomplicated It)
$20.6 Trillion Liquidity Migration:Why Zoomex is Redefining the Crypto Derivatives Landscape in 2026

Mutuum Finance’s Early-Stage Protocol Design
This story was originally published on HackerNoon at: https://hackernoon.com/mutuum-finances-early-stage-protocol-design. Capital is beginning to rotate into alternative crypto assets with stronger utility and clearer growth narratives. Check more stories related to web3 at: https://hackernoon.com/c/web3. You can also check exclusive content about #web3, #mutuum-finance, #btcwire, #press-release, #mutuum-finance-announcement, #blockchain-development, #crypto-exchange, #good-company, and more. This story was written by: @btcwire. Learn more about this writer by checking @btcwire's about page, and for more stories, please visit hackernoon.com. Dogecoin (DOGE) is currently trading near $0.09, with its market capitalization slipping to around $13 billion. DOGE thrived on viral momentum, celebrity endorsements, and speculation around broader payment adoption. Capital is beginning to rotate into alternative crypto assets with stronger utility and clearer growth narratives.

Market Downturn Sees XRP Holders Positioning in Mutuum Finance (MUTM)
This story was originally published on HackerNoon at: https://hackernoon.com/market-downturn-sees-xrp-holders-positioning-in-mutuum-finance-mutm. Mutuum Finance represents a different stage of market development. It is not operating solely on projections. Check more stories related to web3 at: https://hackernoon.com/c/web3. You can also check exclusive content about #web3, #mutuum-finance, #btcwire, #press-release, #mutuum-finance-announcement, #blockchain-development, #crypto-exchange, #good-company, and more. This story was written by: @btcwire. Learn more about this writer by checking @btcwire's about page, and for more stories, please visit hackernoon.com. Mutuum Finance (MUTM) is a DeFi protocol currently in presale. The project has raised over $20.5 million and attracted more than 19,000 holders. Mutuum Finance represents a different stage of market development. It is not operating solely on projections.

Circle Ventures Invests In EdgeX, Bringing USDC To The EDGE Chain
This story was originally published on HackerNoon at: https://hackernoon.com/circle-ventures-invests-in-edgex-bringing-usdc-to-the-edge-chain. Expanding productive stablecoin use cases in onchain trading Check more stories related to web3 at: https://hackernoon.com/c/web3. You can also check exclusive content about #web3, #circle, #blockmanwire, #press-release, #stablecoin, #blockchain-development, #crypto-exchange, #good-company, and more. This story was written by: @blockman. Learn more about this writer by checking @blockman's about page, and for more stories, please visit hackernoon.com. edgeX is a decentralized trading infrastructure for perpetual markets and broader trading. Circle Ventures has made a strategic investment in edgeX. Circle plans to integrate native USDC and its Cross-Chain Transfer Protocol with the EDGE Chain.

DeFi Integrations Are the New Liquidity Engine for Tokenized Assets
This story was originally published on HackerNoon at: https://hackernoon.com/defi-integrations-are-the-new-liquidity-engine-for-tokenized-assets. The next wave of DeFi AUM won’t follow the highest APY—it’ll follow vaults that make risk legible. Check more stories related to web3 at: https://hackernoon.com/c/web3. You can also check exclusive content about #digital-assets, #gtm, #crypto, #crypto-liquidity, #defi-integrations, #onchain-yield, #lending-markets, #yield-primitives, and more. This story was written by: @nevercrypto. Learn more about this writer by checking @nevercrypto's about page, and for more stories, please visit hackernoon.com. The next wave of DeFi AUM won’t follow the highest APY—it’ll follow vaults that make risk legible.

Bithumb’s $44B Bitcoin Error Highlights Structural Failures in Centralized Exchange Design
This story was originally published on HackerNoon at: https://hackernoon.com/bithumbs-$44b-bitcoin-error-highlights-structural-failures-in-centralized-exchange-design. Bithumb accidentally created $44B in Bitcoin that didn't exist. Users traded it for 20 minutes. Here's what that reveals about every crypto exchange. Check more stories related to web3 at: https://hackernoon.com/c/web3. You can also check exclusive content about #bitcoin, #bithumb-bitcoin-glitch, #crypto-exchanges, #bithumb-phantom-bitcoin, #proof-of-reserves, #internal-ledger-risk, #cex-structural-issues, #hackernoon-top-story, and more. This story was written by: @niteshpadghan. Learn more about this writer by checking @niteshpadghan's about page, and for more stories, please visit hackernoon.com. Bithumb accidentally credited 620,000 Bitcoin ($44B) to 695 users during a promotional campaign meant to distribute $1.37 each. For 20 minutes, users traded phantom Bitcoin that only existed in Bithumb's internal ledger, not on the blockchain. The incident exposed a structural flaw: centralized exchanges can create balances without on-chain backing, and Proof of Reserves can't stop it.

5 Events That Changed Crypto Forever - and How They’re Affecting Us Now
This story was originally published on HackerNoon at: https://hackernoon.com/5-events-that-changed-crypto-forever-and-how-theyre-affecting-us-now. From bold experiments to big market shifts, these moments changed how the world sees and uses crypto. Let's explore them! Check more stories related to web3 at: https://hackernoon.com/c/web3. You can also check exclusive content about #obyte, #crypto-events, #terra-luna, #the-dao-incident, #defi, #crypto-etf, #bitcoin-legal-in-el-salvador, #good-company, and more. This story was written by: @obyte. Learn more about this writer by checking @obyte's about page, and for more stories, please visit hackernoon.com. The DAO hack in June 2016 was a huge scandal for the Ethereum network. The U.S. Securities and Exchange Commission (SEC) referenced this event when explaining how the Howey Test applies to crypto assets. Decentralized Finance (DeFi) was born around 2017, bringing several neat events for crypto.

Uniswap V3’s “Collect” Is Correct — and Still Misleading
This story was originally published on HackerNoon at: https://hackernoon.com/uniswap-v3s-collect-is-correct-and-still-misleading. Uniswap V3’s Collect events can mix returned liquidity with earned fees. Here’s why explorers look “misleading,” and how semantic decoding fixes it. Check more stories related to web3 at: https://hackernoon.com/c/web3. You can also check exclusive content about #blockchain, #ethereum, #uniswap-v3, #encoder-decoder, #concentrated-liquidity, #collect-event, #collect()-function, #liquidity-withdrawal, and more. This story was written by: @decoderman. Learn more about this writer by checking @decoderman's about page, and for more stories, please visit hackernoon.com. Uniswap V3’s Collect events can mix returned liquidity with earned fees. Here’s why explorers look “misleading,” and how semantic decoding fixes it.

The Engine Room Principle - Why Real Alpha Engineers Never Leave the Trenches
This story was originally published on HackerNoon at: https://hackernoon.com/the-engine-room-principle-why-real-alpha-engineers-never-leave-the-trenches. Leaders must understand the machinery they're operating at the most granular level possible. Check more stories related to web3 at: https://hackernoon.com/c/web3. You can also check exclusive content about #web3, #alpha-engineer, #society, #life-lessons, #life-hacks, #depin, #blockchain, #management-and-leadership, and more. This story was written by: @edwinliavaa. Learn more about this writer by checking @edwinliavaa's about page, and for more stories, please visit hackernoon.com. Leaders must understand the machinery they're operating at the most granular level possible. Lee Kuan Yew never stopped understanding Singapore's systems at the component level. Every decision you make at the policy level has cascading technical implications.

Why Decoding Uniswap V4 is Harder Than V2 & V3
This story was originally published on HackerNoon at: https://hackernoon.com/why-decoding-uniswap-v4-is-harder-than-v2-and-v3. This post explains why decoding Uniswap V4 is fundamentally harder than V2 and V3, and what changes at the data layer. Check more stories related to web3 at: https://hackernoon.com/c/web3. You can also check exclusive content about #uniswap, #ethereum, #uniswap-v3, #uniswap-v4, #ethersjs, #decoding-uniswap-v4, #pattern-recognition-decoding, #decoding, and more. This story was written by: @decoderman. Learn more about this writer by checking @decoderman's about page, and for more stories, please visit hackernoon.com. Uniswap V4 is fundamentally harder to decode than V2 and V3. The biggest change is that pools are no longer contracts. Hooks are external contracts that emit their own events.

What Crypto to Buy Now in a Downturn? Top Picks Beyond Bitcoin (BTC), Ethereum (ETH), and XRP
This story was originally published on HackerNoon at: https://hackernoon.com/what-crypto-to-buy-now-in-a-downturn-top-picks-beyond-bitcoin-btc-ethereum-eth-and-xrp. Over the past week, prices for Bitcoin, ETH, and XRP have all moved sharply lower, reflecting weakening demand and broad negative sentiment. Check more stories related to web3 at: https://hackernoon.com/c/web3. You can also check exclusive content about #web3, #mutuum-finance, #btcwire, #press-release, #mutuum-finance-announcement, #mutuum-presale-momentum, #blockchain-development, #good-company, and more. This story was written by: @btcwire. Learn more about this writer by checking @btcwire's about page, and for more stories, please visit hackernoon.com. The current downturn across crypto markets is being driven by a blend of macroeconomic headwinds and internal sell-offs across digital assets. Over the past week, prices for Bitcoin, ETH, and XRP have all moved sharply lower, reflecting weakening demand and broad negative sentiment.

AI Agents in Web3: Real Business Applications Beyond the Hype
This story was originally published on HackerNoon at: https://hackernoon.com/ai-agents-in-web3-real-business-applications-beyond-the-hype. Discover how AI agents for Web3 move from hype to production, enabling secure automation, governance, and compliance through AI integration for blockchain. Check more stories related to web3 at: https://hackernoon.com/c/web3. You can also check exclusive content about #ai-agents-for-web3, #ai-integration-for-blockchain, #decentralized-ai-layer, #ai-driven-dao-governance, #web3-operational-automation, #defi-risk-monitoring, #decentralized-ai, #web3-compliance-automation, and more. This story was written by: @saffic. Learn more about this writer by checking @saffic's about page, and for more stories, please visit hackernoon.com. The fusion of AI integration for blockchain with decentralized systems is rapidly moving from academic theory to real business impact. Market data suggests that the global AI agents market in the year 2025 is estimated at $7.84 billion and is expected to reach $53.62 billion by 2030.

Reputation as an Economic Primitive: The Case for ERC-8004
This story was originally published on HackerNoon at: https://hackernoon.com/reputation-as-an-economic-primitive-the-case-for-erc-8004. How on-chain reputation can reduce collateral requirements when paired with the right enforcement mechanisms. Check more stories related to web3 at: https://hackernoon.com/c/web3. You can also check exclusive content about #web3, #erc-8004, #agent-reputation, #erc-8004-economics, #web3-economics, #token-economics, #on-chain-reputation, #hackernoon-top-story, and more. This story was written by: @tirtha. Learn more about this writer by checking @tirtha's about page, and for more stories, please visit hackernoon.com. How on-chain reputation can reduce collateral requirements when paired with the right enforcement mechanisms.

The Next Wave of Crypto Adoption Will Be Invisible
This story was originally published on HackerNoon at: https://hackernoon.com/the-next-wave-of-crypto-adoption-will-be-invisible. Crypto’s next adoption wave won’t look like crypto at all—real progress happens when infrastructure disappears and systems just work. Check more stories related to web3 at: https://hackernoon.com/c/web3. You can also check exclusive content about #crypto-deployment-phase, #onchain-systems, #structural-crypto-design, #crypto-adoption-trends, #crypto-infrastructure, #web3-chain-abstraction, #stress-resilient-defi-systems, #deterministic-onchain-systems, and more. This story was written by: @ohmdan. Learn more about this writer by checking @ohmdan's about page, and for more stories, please visit hackernoon.com. Crypto is entering its deployment phase, where adoption comes not from louder narratives or better UX alone, but from infrastructure that disappears. As account abstraction and chain routing improve the surface layer, the real challenge is structural soundness—systems that remain reliable under stress without intervention. The projects that win will be the ones good enough to be invisible.

Blockchain Beyond Crypto: Real-World Use Cases
This story was originally published on HackerNoon at: https://hackernoon.com/blockchain-beyond-crypto-real-world-use-cases. Discover how blockchain extends beyond crypto, enabling secure supply chains, healthcare records, voting systems, and real-world business solutions. Check more stories related to web3 at: https://hackernoon.com/c/web3. You can also check exclusive content about #blockchain-technology, #future-technology, #beyondcrypto, #blockchain, #supplychain, #smartcontracts, #web3, #fintech, and more. This story was written by: @andrewgus070. Learn more about this writer by checking @andrewgus070's about page, and for more stories, please visit hackernoon.com. Blockchain promises to reinvent trust in multi-party systems. Using blockchain can improve both supply chain transparency and traceability. Walmart “can now trace the origin of over 25 products from 5 different suppliers” on the blockchain. Maersk and IBM’s TradeLens platform uses blockchain to digitize shipping documents.

6 Ways to Use a Crypto Exchange Aggregator and Save on Swaps
This story was originally published on HackerNoon at: https://hackernoon.com/6-ways-to-use-a-crypto-exchange-aggregator-and-save-on-swaps. Maximize your crypto swaps! Learn 6 ways an exchange aggregator saves you money. Find the best rates on Bitcoin, Ethereum, & other cryptocurrencies on DEXs. Check more stories related to web3 at: https://hackernoon.com/c/web3. You can also check exclusive content about #crypto-exchange-aggregator, #best-crypto-swap-rates, #cross-chain-crypto-swap, #instant-crypto-exchange, #crypto-exchange-aggregator-api, #swapzone-exchange-aggregator, #good-company, and more. This story was written by: @swapzone. Learn more about this writer by checking @swapzone's about page, and for more stories, please visit hackernoon.com. Crypto exchange aggregators help traders save money by comparing live rates across multiple exchanges in one place. This article breaks down six practical use cases—from getting better swap rates and handling cross-chain trades to avoiding hidden fees, comparing instant exchanges, integrating APIs, and buying crypto without platform hopping—all showing why aggregators outperform single exchanges.

The $30 Trillion Economy That Doesn't Need Humans
This story was originally published on HackerNoon at: https://hackernoon.com/the-$30-trillion-economy-that-doesnt-need-humans. AI agents are becoming economic actors. Learn how AI-native payment systems, stablecoins, and on-chain rails will reshape global commerce and finance. Check more stories related to web3 at: https://hackernoon.com/c/web3. You can also check exclusive content about #stablecoins-for-ai-transaction, #ai-native-payment-systems, #autonomous-ai-agents, #commerce-ai-infrastructure, #trending-payment-protocols, #machine-to-machine-payments, #on-chain-payments-agent, #agentic-ai-infrastructure, and more. This story was written by: @louistsu. Learn more about this writer by checking @louistsu's about page, and for more stories, please visit hackernoon.com. Autonomous AI agents are becoming economic actors, but today’s payment systems are built for humans. Crypto-native rails and stablecoins enable machine-to-machine payments without identity checks, accounts, or human approval. New protocols (like x402 and agent verification systems) are forming the infrastructure for agentic commerce. Analysts project this economy could reach tens of trillions of dollars within a decade. The real winners will be not AI agents, but the payment and identity infrastructure they use to transact.

Lending Markets for Stablecoins
This story was originally published on HackerNoon at: https://hackernoon.com/lending-markets-for-stablecoins. A risk-aware mental model for evaluating stablecoin lending markets. Check more stories related to web3 at: https://hackernoon.com/c/web3. You can also check exclusive content about #defi, #stablecoin, #crypto-lending, #yield-farming, #risk-management, #aave-protocol, #morpho, #compound, and more. This story was written by: @sentra-bureau. Learn more about this writer by checking @sentra-bureau's about page, and for more stories, please visit hackernoon.com. A risk-aware mental model for evaluating stablecoin lending markets.

5+ Crypto ‘Firsts’ You Should Know: From the First Exchange to the First DAG
This story was originally published on HackerNoon at: https://hackernoon.com/5-crypto-firsts-you-should-know-from-the-first-exchange-to-the-first-dag. From pizza purchases to DAG networks, here's a friendly tour through crypto’s earliest milestones and how they shaped the decentralized world we use today. Check more stories related to web3 at: https://hackernoon.com/c/web3. You can also check exclusive content about #crypto-exchanges, #crypto-history, #crypto-wallets, #bitcoin-pizza, #stablecoins, #dag-blockchain, #obyte, #good-company, and more. This story was written by: @obyte. Learn more about this writer by checking @obyte's about page, and for more stories, please visit hackernoon.com. The first-ever decentralized cryptocurrency, Bitcoin, was born on January 3, 2009. On May 22, 2010, the user Jercos (Jeremy Sturdivant) bought 10,000 BTC from Laszlo Hanyecz on Bitcointalk.org. This is considered the first ever purchase of a physical good using cryptos.

5 Open-Source and Free Software Projects for Pets —to Support via Kivach
This story was originally published on HackerNoon at: https://hackernoon.com/5-open-source-and-free-software-projects-for-pets-to-support-via-kivach. Explore here five open-source projects making life easier for animals and their humans. You can also support them with cryptos via Kivach! Check more stories related to web3 at: https://hackernoon.com/c/web3. You can also check exclusive content about #cryptocurrency-donations, #pet-tech, #open-source-software, #open-source-projects, #kivach-donations, #obyte, #good-company, #hackernoon-top-story, and more. This story was written by: @obyte. Learn more about this writer by checking @obyte's about page, and for more stories, please visit hackernoon.com. The open-source world is full of clever, heartfelt projects that help shelters, protect lost animals, or make it easier to manage your pet’s day-to-day life. Many of these tools run on passion instead of big budgets, which means small donations can truly keep them going. We’ll look at five open- source and free pet-related projects you can support through Kivach.

Analysts Bullish on Mutuum Finance (MUTM) After $20M Raise and V1 Protocol Launch
This story was originally published on HackerNoon at: https://hackernoon.com/analysts-bullish-on-mutuum-finance-mutm-after-$20m-raise-and-v1-protocol-launch. The project has surpassed $20 million raised in its presale. Since its launch, MUTM token price has climbed by 300%. Check more stories related to web3 at: https://hackernoon.com/c/web3. You can also check exclusive content about #web3, #mutuum-finance, #btcwire, #press-release, #mutuum-finance-announcement, #blockchain-development, #crypto-exchange, #good-company, and more. This story was written by: @btcwire. Learn more about this writer by checking @btcwire's about page, and for more stories, please visit hackernoon.com. Mutuum Finance has launched its V1 lending and borrowing protocol on Sepolia testnet. The project has surpassed $20 million raised in its presale. Since its launch, MUTM token price has climbed by 300%.