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.
Real-world merchant compatibility for the Ether.fi Cash Card (Visa) across the US, UK, Canada, Australia, New Zealand, Ireland, South Africa, and Singapore.
Have money in Interactive Brokers (IBKR) and want to move dollars back on-chain as USDC? This illustrated walkthrough breaks down the full flow: withdraw from IBKR over ACH to your same-name FluidKey USD account, then have it automatically converted into USDC on Base. Includes a real 10 USDC timing test, plus the same-name rule, withdrawal hold periods, tax, and other red lines.
CRYPTO EXCHANGE
In 2026, Binance launched U.S. stock trading: use USDC to buy 7,000+ U.S. stocks and ETF, starting from $5, with zero commission and 24/5 trading on supported names. This illustrated guide explains how Binance U.S. stock trading works, the fees, and how it differs from tokenized stocks (xStocks), with Taiwan users in mind.
If you hold USDC and want to buy U.S. stocks, should you use the newly launched Binance U.S. Stocks or fund long-established broker IBKR through FluidKey? This comparison breaks down fees, funding costs, and use cases from a stablecoin holder's perspective so you can choose the cheaper route.
WALLET
Guides to Fluidkey self-custody wallets, stablecoin payments, and USD on/off-ramp workflows.
Have money in Interactive Brokers (IBKR) and want to move dollars back on-chain as USDC? This illustrated walkthrough breaks down the full flow: withdraw from IBKR over ACH to your same-name FluidKey USD account, then have it automatically converted into USDC on Base. Includes a real 10 USDC timing test, plus the same-name rule, withdrawal hold periods, tax, and other red lines.
FluidKey is a stealth-address layer built on Safe smart accounts. It stacks three jobs in one interface: private receiving with a fresh address for every payment, USD/EUR account details so USDC can move like dollars, and Auto-Earn for stablecoins. Penna breaks down how it works, the fees, supported chains, and the risks, with a referral link included.
CRYPTO EXCHANGE
MARKET CRYPTO
Company research, model competition, and supply-chain context organized as durable market notes.
