MMMushegh Manukyaninarmcp-field-notes.hashnode.dev·4d ago · 6 min readSeven Reliability Checks for Crypto Market Data ProductsA crypto interface can show a price in one line, but that number is the end of a long chain of decisions: which venue was queried, how assets were matched, when the observation was made, what happened00
DMDora Mileninkripto-pocetnica.hashnode.dev·5d ago · 28 min readLitecoin: šta je LTC, kako radi i da li zaista ima praktičnu vrednost?Gotovo svako ko se makar kratko interesovao za kriptovalute čuo je za Litecoin. Njegova oznaka je LTC, često ga nazivaju „digitalnim srebrom“, a najčešće se opisuje kao brža i jeftinija alternativa Bi00
RRRaul Radulescuinthecryptosupport.hashnode.dev·Sep 14 · 5 min readBuilding a Crypto Tax Calculator for Romania: Why Clean Data MattersCrypto tax software sounds simple from the outside. Import your transactions, calculate the result, generate a report. In practice, the difficult part often starts before the tax calculation itself. A00
QQistDeFiinqistdefi.hashnode.dev·Sep 8 · 3 min readStuck Transactions in DeFi: Causes & SolutionsWhat is a Stuck Transaction? A stuck transaction refers to a blockchain transaction that has been broadcast to the network but has not yet been confirmed or processed by miners (or validators in a pro00
QQistDeFiinqistdefi.hashnode.dev·Sep 8 · 3 min readStuck Transactions in DeFi: Causes & SolutionsWhat is a Stuck Transaction? A stuck transaction refers to a blockchain transaction that has been broadcast to the network but has not yet been confirmed or processed by miners (or validators in a pro00
Nnevskynullinnullsec.hashnode.dev·Sep 7 · 2 min readnullsec: Zero-Knowledge Encrypted Paste for the ParanoidMost paste services know too much. nullsec was built to know nothing. The Problem When you paste text into a normal pastebin, the server sees everything. The plaintext, the metadata, the IP, the timin00
MCMadhumita Cinmadhumitatech.hashnode.dev·Sep 7 · 3 min readBlockchain Technology: A Simple Introduction Introduction We hear the word Blockchain often when talking about cryptocurrency, but blockchain technology is useful for much more than digital currencies. It is a way of storing and sharing informat00
OObyteinobyte.hashnode.dev·Sep 4 · 7 min readColdcard, Trezor, SafePal hacks... Is Crypto Self-Custody Dead Now? August 2026 was a rollercoaster for the crypto space. Kind of a bad one. Just before the start of that month, some unknown attackers managed to take advantage of a bug in the Coldcard hardware wallets00
CKCrypto Kewsincryptokews.hashnode.dev·Sep 2 · 2 min readIce Phishing, Address Poisoning, and the Technical Side of Crypto ScamsMost write-ups on crypto scams focus on the social engineering angle (rightfully — pig butchering alone accounted for $3.5B+ in 2024 losses). But a few categories are worth understanding from a techni00
Bbolt_utilinbolt-util.hashnode.dev·Aug 31 · 7 min readDesigning a Safe Reconciliation System for Underpaid Crypto TransactionsA crypto payment does not become easy to reconcile just because it is visible on-chain. Consider a customer who creates an order for 1.01 USDT and transfers 1.00 USDT. The transaction is valid and con00
