DeFi: crypto news

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Decentralized finance: lending, DEXs, liquidity and protocols.

News summaries on this topic: 34 in the last 7 days, 34 in 30 days — each with links to the original publications.

Most mentioned coins: Bitcoin, Ethereum, Solana, Cardano, optimism.

Latest stories

OpenAI Gives ChatGPT Agents a Card Wallet for Purchases

US Pro users can authorize purchases with eligible American Express, Mastercard and Visa cards, while merchants keep their existing checkout systems.... Read the full story at The Defiant AI firm OpenAI has launched ChatGPT Wallet, which would enable its AI agents to make payments on behalf of users.

Polymarket opens Nex sandbox with 10x trading capacity planned

Polymarket has opened sandbox testing for Nex, a trading system rewritten in Rust that its engineering team says can handle 100,000 commands per second, ahead of a conditional mid-December launch. Polymarket’s vice president of engineering for DeFi, Josh Stevens, announced…

Sources:crypto.news

Joe Carlasare on “Extreme Fear” in Bitcoin: “I’m A Buyer Here”

▶ Bitcoin Magazine Joe Carlasare on “Extreme Fear” in Bitcoin: “I’m A Buyer Here” Bitcoin went from 57,000 to 82,000 in less than 90 days earlier this year, and Joe Carlasare says that’s why he rejects the idea that… He tells BMTV that a move back into the 80s or 90s would bring technical and momentum traders off the sidelines, and that getting back to 100K would flip the narrative instantly. He also explains why the OG selling that capped 2025 is a healthy shakeout, and why a serious quantum plan could attract new capital.

Hyperscalers List GPUs at Nearly 2× the GPU-Cloud Price, Fluence Research Finds

The AI Compute Race report prices GPU compute outside the biggest buyers: a three-year commitment cuts the median price by 48%, while 17 of 22 tracked GPU models rose in price over the past year DALLAS, Texas – November… It was produced with research partners NEAR AI , io.net , Boundless , Phala , Gensyn , Fortytwo , Theta , Compute Labs and GAIB . Its central finding: where a company buys a GPU-hour sets the price.

Sources:NewsBTC

Is Midnight (NIGHT) Catching Up With Zcash (ZEC)? Network Data Offers a Clue

Midnight, the privacy-focused chain developed by the team behind Cardano, hit a new record on November 10 after it processed over 96,000 transactions. That is more than four times the slightly more than 24,000 that went through Zcash on the same day. Midnight’s Activity Outpaces Zcash Data shared by market commentary account MSB Intel shows that Midnight handled 96,851 transactions on Tuesday, compared to 24,160 on Zcash.

Bitcoin Optech Newsletter #431

This week’s newsletter links to draft BIPs for exfiltration-resistant signing, summarizes the disclosure of three vulnerabilities affecting older versions of Bitcoin Core, announces a plan for mining the testnet5… Also included are our regular sections announcing new releases and release candidates and describing notable changes to popular Bitcoin infrastructure software. News ● Draft BIPs for anti-exfil signing: Connor Avila posted to the Bitcoin-Dev mailing list about a proposal to standardize exfiltration-resistant signing for hardware devices.