Structured education across every format and skill level · 47 guides
What is a memo or tag in crypto transfers, which coins need one — XRP, XLM, ATOM, TON — where to find yours, and what happens if you leave the field blank.
Why is your crypto withdrawal pending? The exchange-side checks and the network-side delays behind it, and how to tell which one is holding your coins.
Sent a deposit with a wrong or missing tag or memo? Why the coins are not lost, how exchange recovery works, and what to send support to get them credited.
Bitcoin transaction stuck pending? Why it happens and the real fixes: replace-by-fee, child-pays-for-parent, or simply waiting out the mempool queue.
How to find a TxID or transaction hash in MetaMask, Ledger Live or an exchange account, what it looks like, and what to do with it once you have it.
How to use a blockchain explorer to check any crypto transaction: which site to use for each network, what to paste in, and what the results mean.
What happens if you send crypto to the wrong network: where the coins actually go, when they can be recovered, and when the money is really gone.
USDT networks compared: TRC20, ERC20, BEP20, Solana and TON side by side — fees, speed, what each is good for and where each is accepted.
Which network is best for USDT? A simple rule for choosing between TRC20, ERC20 and BEP20, plus what each one costs you in fees.
USDT TRC20 vs ERC20 explained simply: what each network costs, how fast it is, and which one to pick when you send Tether.
Bank transfer vs card for buying crypto: how the fees really compare, how long each one takes, and why instant card buying is the expensive option.
The types of crypto exchange explained: centralized, decentralized and peer-to-peer, what each one is good at, and which suits a first purchase.