basicssecurity4 min read
A wallet and an exchange account are not the same thing
They both show a balance, but what you hold is different. Why that matters for access, risk and what you can actually do with the funds.
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Moving crypto,
without losing it.
Short, practical answers to the questions that come up when you actually send something. No jargon, no filler.
securitybasics6 min read
Custodial and self-custody wallets: an honest comparison
Who holds the keys decides what can go wrong. A straight explanation of both models, what each actually protects you from, and how to decide.
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feesnetworks4 min read
Gas fees explained without the jargon
Gas, gwei, limits and priority fees, in plain terms. What you actually control, and why the same transfer costs different amounts.
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securitybasics5 min read
Hot wallet or cold wallet: which do you actually need?
A hot wallet is connected, a cold wallet is not. The real question is how much you hold and how often you move it — here is how to decide.
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networksbasics4 min read
How long a crypto transfer really takes
Confirmation times for Tron, Ethereum and Bitcoin, what makes a transfer sit pending, and when waiting is normal rather than a problem.
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networksbasics4 min read
How many confirmations make a transfer safe?
One confirmation is usually enough, until it is not. What a confirmation actually proves, why services wait for several, and how the number differs per chain.
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safetyhow-to4 min read
How to check a crypto address before you send
Addresses carry built-in error detection, but only on some networks and only against some mistakes. What checksums catch, what they miss, and what to verify yourself.
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USDThow-to3 min read
How to deposit USDT safely, step by step
A short checklist for getting a stablecoin deposit right first time: picking the network, verifying the address, and knowing when it has actually arrived.
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TXIDhow-to5 min read
How to read a block explorer
An explorer tells you the truth about any transfer. What each field on the page means, and which ones actually matter when you are checking a deposit.
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safetysecurity6 min read
How to recognise a crypto scam
The common patterns, why they work, and the small number of rules that catch almost all of them before they cost anything.
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safetysecurity5 min read
How to spot a fake wallet app before it costs you
Counterfeit wallet apps and sites exist to capture a seed phrase or swap a deposit address. The signals that give them away, and the habits that make it moot.
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how-tobasics4 min read
Keeping records of your crypto transfers
What to save and why, in a system where the ledger is public but your own bookkeeping is not.
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networksfees5 min read
Layer 2 networks: what they are and when to use one
Arbitrum, Optimism, Base and the rest settle to Ethereum but cost far less. How that works, and the one mistake that loses funds.
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safetyhow-to3 min read
Memo and destination tag fields: when you must use one
Some deposits need a memo or tag as well as an address, and leaving it out can lose the funds. Which networks use them and why.
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securitybasics4 min read
Mobile or desktop: where should your wallet live?
The trade is not really convenience versus security — it is which attacks each device is exposed to. A practical comparison.
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basicssecurity4 min read
Private key, public key, address: how they relate
Three things that get used interchangeably and should not be. What each one is, which you can share, and which one is the wallet.
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safetysecurity5 min read
The phishing tricks aimed specifically at crypto users
Lookalike domains, fake support, malicious approvals and clipboard swaps. The specific techniques, and what defeats each one.
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securitysafety5 min read
Two-factor authentication: which kind actually protects a crypto account
Not all second factors are equal. Why SMS codes are the weakest option, what SIM swapping is, and what to use instead.
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USDTnetworksfees5 min read
USDT on TRC20 or ERC20: which should you use?
The same USDT exists on several networks, and picking the wrong one costs money or loses the transfer. Here is how TRC20 and ERC20 differ in fees, speed and risk.
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securitybasics5 min read
What a seed phrase is, and how to store one properly
Twelve or twenty-four words that are the wallet itself. What they do, why screenshots are a bad idea, and how to store them so you do not lose access.
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basicssecurity5 min read
What a smart contract is, for people who do not write code
Why USDT is a contract and ETH is not, what that means for transfers and fees, and why token approvals deserve attention.
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USDTbasics5 min read
What a stablecoin is, and why USDT is everywhere
Stablecoins hold a fixed value instead of floating. How that works, why USDT became the default for transfers, and what to be aware of.
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TXIDhow-to4 min read
What a transaction ID is, and how to check your own transfer
A TXID is the receipt for a crypto transfer. Here is where to find yours, how to read it on a block explorer, and what each status actually means.
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securitybasics4 min read
What happens to your crypto if a service shuts down
Custodial balances depend on the custodian existing. What the realistic outcomes are, and the practical steps that keep you out of the worst one.
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basicssecurity5 min read
What KYC is, and why some services require it
Identity checks, where the requirement comes from, what it means for you in practice, and the honest trade-off either way.
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feesnetworks4 min read
When are crypto network fees cheapest?
Network fees are an auction, so timing changes the price. What drives it on Ethereum, Bitcoin and Tron, and when waiting actually saves money.
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fees4 min read
Who charges what: crypto transfer fees explained
There are two different fees on any transfer, and they are charged by different people. Knowing which is which tells you what you can actually control.
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safetybasics4 min read
Why a crypto transfer cannot be reversed — and what to do instead
There is no chargeback on a blockchain. Here is why, what that changes about how you should send, and the habits that prevent the mistakes that cost people money.
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basicshow-to3 min read
Why every service gives you a different deposit address
Your address on one platform does not work on another, and some services rotate yours. What is going on, and which address to trust.
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securitybasics4 min read
Why some withdrawals are reviewed by a person
Manual review is slower than an automated payout, and it exists for reasons worth understanding. What it catches, and what it costs you.
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basicsfees4 min read
Why the same coin shows a different price on every site
There is no single official crypto price. How each venue sets its own, why the gaps exist, and which number your wallet should be using.
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feesbasics4 min read
Why your balance is not exactly what you sent
Three ordinary reasons the credited amount differs from the number you typed, and how to tell which one applies.
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networksbasics5 min read
Wrapped tokens and bridges, explained
Why there is a version of Bitcoin on Ethereum, how bridges move value between chains, and why bridges are where the largest crypto losses have happened.
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safetysecurity4 min read
You received a tiny deposit you did not expect. Now what?
Small unsolicited transfers are usually a dusting attack or an address-poisoning setup. What they are for, and the one thing not to do.
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safetybasics4 min read
You sent crypto to the wrong address. What can actually be done?
An honest account of which mistakes are recoverable and which are not, and what to do in the hour after it happens.
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