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I asked 1,000 x402 endpoints to sell me something. 207 never quoted a price.
The Coinbase x402 discovery directory (the "Bazaar") lists 1,000 resources that are supposed to sell something to an agent. I wanted to know what ha…
NFT 재평가: 투기 광풍 너머의 기술적 토대를 짚어보다
NFT, 즉 대체 불가능 토큰이라는 용어는 2021년 주류 의식 속에 폭발적으로 등장하며, 모호했던 블록체인 기술을 문화적, 금융적 현상으로 탈바꿈시켰다. 만화 원숭이 디지털 이미지는 수백만 달러에 팔렸고, 가상 토지는 터무니없는 가격에 거래되었으며, 미술계는 소유…
Funding Settles Every 8 Hours — but Four of These Five Exchanges Have No 8-Hour Candle
Funding Settles Every 8 Hours — but Four of These Five Exchanges Have No 8-Hour Candle If you hold a BTC perpetual on Binance, Bybit, or OKX, your f…
When LLMs Outsmart Their Manuals: Version Conflict Detection in Trading Agents
When LLMs Outsmart Their Manuals: Version Conflict Detection in Trading Agents Imagine sitting in the dimly lit control room of an automated trading…
Why Is My Crypto Transaction Pending? 5 Common Reasons
This article was prepared by Walletverse, a non-custodial, multi-chain cryptocurrency wallet designed to make storing, sending, swapping, and managi…
Sentinel Aleph: free crypto signals you can curl, give to your AI agent, or run as a paper bot
I'm Ahmet. For the past two to three years I've been building a crypto market scanner for myself in Switzerland, because I was tired of signal group…
Tonkeeper Is Now Keeper: What the Multichain Shift Means for Wallet Architecture
Tonkeeper is no longer just a TON wallet. The product has been rebranded as Keeper and now supports seven networks: TON TRON Ethereum Bitcoin Arbitr…
When the AI Brain Crashes: The 'Naked Position' Crisis and Engineering Trade-offs Under Fail-Open Mechanisms
When the AI Brain Crashes: The 'Naked Position' Crisis and Engineering Trade-offs Under Fail-Open Mechanisms Tags: #algotrading #crypto #ai #buildin…
Backtesting a Polymarket copy trading bot without fooling yourself
Copy trading is the most common bot idea on Polymarket: find the wallets that win and buy what they buy. We tested it on five sports (MLB, NFL, coll…
Make a coin selection impossible to construct wrong
The wallet bugs that lose fees do not live in the selection strategy. They live in the seam between that strategy and the transaction builder. You g…
The F-160 Iron Rule: Why My AI Trading Bot Ignored a 75x Leveraged Meme Coin
The F-160 Iron Rule: Why My AI Trading Bot Ignored a 75x Leveraged Meme Coin It was 2:00 AM, and my autonomous trading servers were humming quietly…
I locked my test criteria before running them. My trading bot failed.
I built a Python paper-trading bot for crypto spot markets. The backtest looked fine. Then I tested it the strict way, and it fell apart. This is wh…
DER SET ordering: enforce it in the walk, not in a check afterwards
A SET in ASN.1 is unordered by definition: the arrangement of its components carries no meaning. DER still fixes exactly one arrangement on the wire…
교차점에서 길을 찾다: 기관의 진출, 미디어 재편, 그리고 블록체인 속 AI의 지평
암호화폐와 블록체인 생태계는 기관의 성숙, 시장의 통합, 그리고 인공지능(AI)과 같은 인접 기술 혁명의 심오하면서도 종종 간접적인 영향이라는 실타래로 짜인 태피스트리처럼 끊임없이 진화하고 있다. 최근의 움직임은 이러한 역동적인 환경을 예리하게 보여주는 단면이다.…
디파이 프로토콜, 왜 계속해서 해킹의 표적이 되는가? 끊이지 않는 취약점의 심층 분석
탈중앙화 금융, 즉 디파이(DeFi)는 금융 지형에 혁명적인 패러다임을 제시하며, 불변의 블록체인 기술 위에 구축된 개방적이고 무허가적이며 투명한 금융 서비스의 미래를 약속했다. 스마트 컨트랙트를 활용해 전통 금융 기관의 중개 기능을 없애고 전례 없는 접근성과 효율…
Taming the Exchange API: Handling -4509 Errors and the F-065 Retry Mechanism in Quant Systems
Taming the Exchange API: Handling -4509 Errors and the F-065 Retry Mechanism in Quant Systems Tags: #algotrading #crypto #ai #buildinpublic The Inci…
A strict DER reader needs a calendar, not a clock
The validity period is the only part of a certificate written as text. Everything else DER encodes is bytes with structural rules (a length, a two's…
Your rebasing balance changed: how to handle omnichain swaps
A rebasing balance can change without a transfer: an illustrative 2% rebase turns 100 tokens into 102. Before swapping across chains, check whether…
이더리움 머지, 블록체인 역사를 바꾼 대전환의 순간들
2022년 9월 15일, 이더리움 머지(Ethereum Merge)는 탈중앙화 시스템 역사상 가장 야심 차고 복잡한 소프트웨어 업그레이드 중 하나로 기록됐다. 이는 단순한 기술적 업데이트를 넘어, 세계에서 두 번째로 큰 암호화폐 네트워크가 스스로를 보호하고 운영하는…
The Epochal Shift: Unpacking the Transformative Impacts of the Ethereum Merge
Introduction The Ethereum Merge, executed on September 15, 2022, stands as one of the most ambitious and complex software upgrades in the history of…
Your Protocol Has Consensus. The Committee Reviewing It Doesn't.
Somewhere right now, five people at an asset manager are discussing a DeFi protocol whose builders will never hear the verdict. The risk lead read t…
Review Your Web3 Announcements Like Pull Requests
Most Web3 teams run every line of Solidity through tests, an audit, and at least two reviewers, then publish the launch thread from someone's phone…
Release a withdrawal hold only when the rail says no
A withdrawal reserves funds before they leave, and something has to let that reservation go when the send does not work out. The trouble is that "di…
Why a VEX document should be diffed claim by claim
Nobody reads your VEX document twice. A customer reads the first one you publish, and after that they read the difference between the new one and th…
From AI Trading Signals to Autonomous DeFi: Building a Risk-Controlled AI Agent
From AI Trading Signals to Autonomous DeFi Exploring a risk-controlled architecture that connects crypto market intelligence, AI reasoning, blockcha…
A constant-time test needs a known leak it is required to find
A timing harness that reports no significant difference has told you one of two things and given you no way to separate them: either the routine und…
Reading Between the Lines: Automating Implicit Risk Control via NLP Semantics (F-072)
Reading Between the Lines: Automating Implicit Risk Control via NLP Semantics (F-072) Imagine this scenario: Your AI trading agent analyzes the mark…
A cryptography inventory has to name the module, not just the line
Most of the cryptography your program runs was written by somebody else. A scan that stops at first-party code will faithfully report the SHA-256 on…