General
Blockchain fundamentals and topics that span every chain.
Articles that aren't tied to a single chain: wallets and security, DeFi and stablecoins, DAOs, AI and crypto, regulation, industry news and how blockchains work under the hood.
GeneralBeginnerProof of reserves shows an exchange held enough assets to match customer balances at one moment, but it can't prove solvency. Learn how Merkle trees and zk proofs work, what they miss, what FTX and Mazars revealed, and how to check a report yourself.
#cryptography#security
The IRS treats crypto as property, so selling, swapping or spending it usually triggers a capital gain or loss, while staking and mining rewards are income. Learn cost basis methods, Form 1099-DA, wash sale status and a worked example. Not tax advice.
#markets#regulation
GeneralBeginnerThe GENIUS Act limits US payment stablecoins to approved issuers, requires 1:1 reserves and monthly reports, and bars issuers from paying yield. It takes effect January 18, 2027. Here is what it requires, where rules stand and how it compares with MiCA.
#regulation#stablecoins
GeneralBeginnerTokenomics sets how many tokens exist, who gets them and when, and what ties them to demand. Learn circulating, total and max supply, market cap vs. FDV, how vesting and cliffs work, using Arbitrum's real unlock, plus a checklist for reading any token.
#basics#markets#tokens
GeneralBeginnerA memecoin is a token built on a joke or trend, with little behind it except attention. Learn how launchpads like pump.fun work, how hard rugs, soft rugs and honeypots differ, and how to check mint authority, LP status and holder concentration.
#markets#security#tokens
GeneralIntermediateA zero-knowledge proof shows a statement is true without revealing anything else about it. Crypto uses these proofs for zk-rollups, private payments and identity. Here is how they work, how SNARKs and STARKs differ, and where they have failed.
#privacy#scaling#zero-knowledge
GeneralIntermediateDeFi lending pools set interest rates from utilization and require more collateral than the loan. A liquidation is triggered when the health factor falls below 1. This guide explains LTV, liquidation thresholds and bad debt with a worked example and real incidents.
#defi#oracles#stablecoins
GeneralBeginnerWallet drainers steal crypto through permissions you sign, not your seed phrase. Learn how token approvals, permit signatures, setApprovalForAll and EIP-7702 delegation phishing work, what to check before signing, and how to revoke approvals.
#security#transactions#wallets
GeneralBeginnerA centralized exchange holds your crypto and matches trades on its own systems, while a decentralized exchange lets you swap from your own wallet. Compare order books and AMMs, custody, KYC, fees and real failures such as FTX, with a decision guide.
#basics#defi#security
GeneralBeginnerA blockchain is a shared ledger kept in sync by independent computers. Follow one Bitcoin payment from signature to finality, and learn how hashes, nodes and consensus make records hard to rewrite, and when a normal database is the better choice.
#basics#consensus#cryptography
GeneralBeginnerA seed phrase is 12 or 24 words that act as the master key to your whole wallet — import them anywhere and you regain the same accounts. Lose it and funds are gone; expose it and they're stolen. Store it offline, and never give it to anyone.
#cryptography#security#wallets
