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Web3 Tech Brief By HackerNoon: Daily Summaries Delivered
by HackerNoon
Learn the latest Web3 updates in the tech world.
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- 2 days ago17 min
Zama Opens Confidential Access to DeFi's Existing Yield Venues
This story was originally published on HackerNoon at: https://hackernoon.com/zama-opens-confidential-access-to-defis-existing-yield-venues. The launch adds 16 confidential vaults across 5 asset classes (USDC, USDT, WBTC, AUSD, and TGBP), and opens the public launch of the Zama Check more stories related to web3 at: https://hackernoon.com/c/web3. You can also check exclusive content about #web3, #zama, #chainwire, #press-release, #zama-announcement, #blockchain-development, #crypto-exchange, #good-company, and more. This story was written by: @chainwire. Learn more about this writer by checking @chainwire's about page, and for more stories, please visit hackernoon.com. Zama, a confidentiality protocol for onchain finance, has expanded confidential access to onchain yield in partnership with Morpho and five leading DeFi curators. This launch adds 16 confidential vaults across 5 asset classes and opens the public launch of the Zama Swap Protocol.
- 2 days ago8 min
The Weekend $ACE's Liquidations Topped Bitcoin's. My Engine Wanted to Short the Aftermath. It Wasn't Allowed.
This story was originally published on HackerNoon at: https://hackernoon.com/the-weekend-$aces-liquidations-topped-bitcoins-my-engine-wanted-to-short-the-aftermath-it-wasnt-allowed. My trading engine wanted to short a crypto liquidation cascade. The AI advisor vetoed it—and exposed why post-crash momentum can mislead. Check more stories related to web3 at: https://hackernoon.com/c/web3. You can also check exclusive content about #cryptocurrency, #crypto-trading, #algorithmic-trading, #artificial-intelligence, #bitcoin, #trading, #risk-management, #automated-trading, and more. This story was written by: @kestrelquant. Learn more about this writer by checking @kestrelquant's about page, and for more stories, please visit hackernoon.com. My trading engine wanted to short a crypto liquidation cascade. The AI advisor vetoed it—and exposed why post-crash momentum can mislead.
- 3 days ago13 min
Building and Deploying a DeFi Staking Platform with Solidity, Foundry and Next.js
This story was originally published on HackerNoon at: https://hackernoon.com/building-and-deploying-a-defi-staking-platform-with-solidity-foundry-and-nextjs. Learn how I built and deployed a full-stack DeFi staking platform using Solidity, Foundry, Next.js, and Ethereum Sepolia. Check more stories related to web3 at: https://hackernoon.com/c/web3. You can also check exclusive content about #blockchain, #ethereum, #solidity, #smart-contracts, #web3, #foundry, #next.js, #defi, and more. This story was written by: @pranshu. Learn more about this writer by checking @pranshu's about page, and for more stories, please visit hackernoon.com. Learn how I built and deployed a full-stack DeFi staking platform using Solidity, Foundry, Next.js, and Ethereum Sepolia.
- 3 days ago5 min
The Next Billion Blockchain Users Will Not Be Human
This story was originally published on HackerNoon at: https://hackernoon.com/the-next-billion-blockchain-users-will-not-be-human. x402 has already cleared 100 million agentic payments. Venom CEO Christopher Louis Tsu on what a network built for machine customers needs. Check more stories related to web3 at: https://hackernoon.com/c/web3. You can also check exclusive content about #web3, #ai, #blockchain, #ai-agents, #blockchain-adoption, #x402-foundation, #stablecoin-payments, #account-abstraction, 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. AI agents are becoming the largest customer class in crypto. x402 has passed 100 million agentic transactions on Base, and the Linux Foundation's x402 Foundation now seats Visa, Mastercard, Stripe and AWS. Agents cannot be marketed to: they compare finality, fees and reliability, then execute in milliseconds. Winning this traffic requires sub-second finality, sub-cent fees, parallel execution and account abstraction at the protocol level.
- 4 days ago5 min
Building a Finite-Reward DeFi Staking Protocol With Solidity and Foundry
This story was originally published on HackerNoon at: https://hackernoon.com/building-a-finite-reward-defi-staking-protocol-with-solidity-and-foundry. I built StakeVault, a DeFi staking DApp using Solidity, Foundry, React and Ethers.js, with finite rewards and multi-user accounting on Sepolia. Check more stories related to web3 at: https://hackernoon.com/c/web3. You can also check exclusive content about #blockchain-development, #defi-staking, #solidity, #foundry, #ethereum-sepolia, #smart-contracts, #ethers.js, #defi-frontend, and more. This story was written by: @maxi-1769. Learn more about this writer by checking @maxi-1769's about page, and for more stories, please visit hackernoon.com. I built StakeVault, a full-stack DeFi staking DApp that combines Solidity smart contracts, ERC-20 tokens, finite reward accounting, Foundry testing, and a React frontend deployed on Ethereum Sepolia. The project focuses on accurate multi-user staking and reward accounting, including reward-pool exhaustion, withdrawals, claims, and frontend wallet integration.
- 4 days ago8 min
Who Really Pays for “Free” Blockchains?
This story was originally published on HackerNoon at: https://hackernoon.com/who-really-pays-for-free-blockchains. Cheap L2 fees, "free" airdrops, and open token access aren't free — they're subsidized by validators, honest farmers, and retail buyers who pay last. Check more stories related to web3 at: https://hackernoon.com/c/web3. You can also check exclusive content about #tokenomics, #crypto-economics, #ethereum-l2s, #rollups, #sequencers, #token-unlocks, #crypto-markets, #hackernoon-top-story, and more. This story was written by: @timurmekhantev. Learn more about this writer by checking @timurmekhantev's about page, and for more stories, please visit hackernoon.com. Crypto often markets cheap fees, free airdrops, and permissionless access as user benefits. But the costs are usually shifted to sequencer economics, honest users, retail buyers, token holders, or future liquidity.
- 5 days ago9 min
5 Crypto Mysteries Nobody Has Solved: What's Your Theory?
This story was originally published on HackerNoon at: https://hackernoon.com/5-crypto-mysteries-nobody-has-solved-whats-your-theory. From secret ledger messages to vanished fortunes, discover five crypto mysteries that still spark debate and wild theories. Check more stories related to web3 at: https://hackernoon.com/c/web3. You can also check exclusive content about #cryptocurrency, #crypto-mystery, #mystery, #satoshi-nakamoto, #bitcoin, #messages-on-blockchains, #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 crypto world is a trillion-dollar industry with many unsolved cases, including the identity of Satoshi Nakamoto and hackers who attacked exchanges and protocols. Some of these puzzles remain unexplained to date, such as the motivations behind Satoshi's embedded message in the genesis block of Bitcoin.
- 5 days ago8 min
The Only Defence ESMA Accepts Is Technical
This story was originally published on HackerNoon at: https://hackernoon.com/the-only-defence-esma-accepts-is-technical. ESMA says disclaimers cannot override facts. The one measure it recognises is technical, and the rest lands on brand architecture and product decisions. Check more stories related to web3 at: https://hackernoon.com/c/web3. You can also check exclusive content about #crypto, #mica, #regulation, #web3, #branding, #compliance, #fintech, #design, and more. This story was written by: @m1ke. Learn more about this writer by checking @m1ke's about page, and for more stories, please visit hackernoon.com. After the previous issue, the obvious question is what actually works. The usual answer is a banner saying the firm does not serve EU residents, and that is the one answer the ESMA guidelines rule out by name: the assessment is factual, and disclaimers cannot override facts to the contrary. The only measure ESMA puts forward is technical, either not onboarding new EU clients or a real geo-block. The rest lands on design: whether a client can tell which entity of a group they are dealing with, and whether the product records who took the initiative.
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