Smart Contract Risks: Reentrancy, Front-Running, and Common Vulnerabilities
Introduction: Code Is Law, Including Buggy Code Smart contracts are immutable programs that automatically execute when conditions are met—”code is law” in the crypto world. But what happens when the law contains bugs? Unlike traditional software that can be patched, deployed smart contracts run forever with their vulnerabilities intact. The… Read ⇢
Hot Wallet Best Practices: Separating Spending Money from Savings
Introduction: Your Crypto Bank Account Strategy You wouldn’t carry your entire life savings in your physical wallet when going shopping. You’d keep most money in a bank account and carry just enough cash for immediate needs. The same principle applies to cryptocurrency—but the consequences of getting it wrong are more… Read ⇢
Onchain Pulse #1: Bitcoin’s $3.2B Crash — What the Data Actually Shows
On February 5th, 2026, Bitcoin investors realized $3.2 billion in losses in a single day — the largest in the asset’s history, surpassing even the Terra-Luna collapse of 2022. The price fell from roughly $70,000 to $60,000, the Fear and Greed Index dropped to 9 (a reading not seen since… Read ⇢
Governance Tokens: Voting Power, Proposals, and DAO Participation
Introduction: Democracy Meets Blockchain Traditional companies answer to shareholders. Decentralized protocols answer to token holders. Governance tokens represent this revolutionary shift—instead of buying stocks for passive dividends, you acquire voting rights to shape protocol development, treasury allocation, and strategic direction. Uniswap token holders vote on protocol fees and treasury spending.… Read ⇢
Wrapped Tokens Explained: WBTC, WETH, and Cross-Chain Token Bridges
Introduction: Making Round Pegs Fit Square Holes Imagine trying to use US dollars in Europe. You can’t spend them directly—you need to exchange them for euros first. Wrapped tokens solve a similar problem in cryptocurrency: they enable assets from one blockchain to function on another, incompatible blockchain. Wrapped Bitcoin (WBTC)… Read ⇢
Network and Research Highlights: January 23 2026
Pi Network Activates Stellar Protocol v25 On 23 January 2026 the Pi Network’s mainnet activated the Stellar Protocol v25 upgrade after a governance vote involving 15.8 million KYC‑verified users. The upgrade introduces the X‑Ray privacy protocol with expanded zero‑knowledge capabilities and adds support for the BN254 elliptic‑curve and Poseidon hash functions, enabling more efficient zero‑knowledge proofs. Early implementation… Read ⇢
Onchain Morning Brief: February 21, 2026
Bitcoin hovers at $68,000 as whales flood exchanges with largest deposits since 2024—but stablecoin supply growth signals capital hasn’t left crypto The crypto market sits at a critical inflection point. Bitcoin trades around $68,000 after bouncing from yesterday’s $66,900 low, while onchain data reveals a striking divergence: whales are depositing… Read ⇢
Blockchain Explorers Decoded: Reading Transactions, Smart Contracts, and On-Chain Data
Introduction: Your Window Into the Blockchain Blockchain’s transparency is both its strength and its learning curve. Every transaction, smart contract interaction, and token transfer lives permanently on-chain—visible to anyone who knows where to look. Blockchain explorers are your interface to this public ledger, transforming cryptographic hashes and hexadecimal data into… Read ⇢
Testnets Explained: How to Practice Crypto Without Risking Real Money
Introduction: The Practice Range for Blockchain Imagine learning to drive in real traffic with no practice. Every mistake risks serious consequences and expensive damage. That’s what diving into cryptocurrency without testing first feels like—one wrong click could send real funds to the wrong address, forever. Testnets solve this problem by… Read ⇢
Sign up for the Newsletter
Our newsletter arrives every Sunday with a clean, concise breakdown of the week. Each issue will cover the biggest crypto updates, onchain activity trends, meme ecosystem shifts, DeFi developments, and more.
