CRYPTO
Beginner-friendly crypto tutorials, exchange guides, Sui ecosystem notes, on-chain practice, and risk management basics.
LATEST CRYPTO GUIDES
Recent exchange tutorials, on-chain tool tests, and crypto market notes.
Got USDC and want to get into Interactive Brokers for U.S. stocks? This illustrated walkthrough breaks down how to spend USDC as dollars and fund IBKR over ACH via FluidKey — plus the same-name rule, foreign-exchange reporting, and AML review you can't skip.
FluidKey is a stealth-address wallet built on Safe smart accounts: it spins up a fresh address for every payment you receive, and it can open a USD/EUR bank account so your USDC spends like dollars. Penna breaks down how it works, the fees, and the risks — referral code included.
MARKET CRYPTO
Company research, model competition, and supply-chain context organized as durable market notes.