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No wallet connection Formula-visible tools Educational, not advice
Independent crypto utilities
CryptoToolDeck
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Practical crypto education

Understand what
changes the outcome.

Worked calculations, transfer checks and wallet-permission basics. Calculator guides open beside the tool they explain.

25 articles · 15 tool explanations

Wallets, stablecoins & transfer safety

Stablecoins & networks

Check the network before sending USDT

Match the receiving instructions, then check the address, minimum and fees.

Article · Transfer checklist Read the guide
Exchanges & transfer costs

A withdrawal fee is not always the network fee

Reconcile the platform preview, wallet debit and expected recipient amount without double-counting.

Article · Practical guide Read the guide
Exchanges, wallets & networks

Not every crypto send creates a blockchain transaction

Identify the transfer rail before looking for a transaction hash or comparing network fees.

Article · Practical guide Read the guide
Wallets & security

Disconnected does not mean approval revoked

Separate wallet connections from spending permissions and understand the limits of revoking.

Article · Safety guide Read the guide
Networks & exchange deposits

Confirmed on-chain, missing from the account

Work through a post-send checklist and prepare a useful support request.

Article · Practical guide Read the guide
Signals & wallet safety

Check the claim before trusting the group

Spot risky deposit requests and understand what profit screenshots cannot prove.

Article · Practical guide Read the guide
Wallet permissions & DeFi

A signature can authorise spending without a gas payment

Check the permission, amount, spender and deadline—not just the button label.

Article · Practical guide Read the guide
Stablecoins & network identity

Two USDC labels can refer to different tokens

Match the chain, contract and receiving instructions before moving funds.

Article · Practical guide Read the guide
Stablecoin transfer costs

Reconcile the sender debit with the recipient amount

Compare deducted and added stablecoin costs, a separate network estimate and entered withdrawal minimums.

Tool explanation · Worked example Read the guide

Trading costs, execution & risk

Exchanges & trading costs

When a limit order is still a taker

Compare resting orders, crossing the spread and mixed maker/taker fills.

Article · Practical guide Read the guide
Trading & signal execution

A triggered stop is not a guaranteed exit

Separate the trigger, order type and fill price before relying on a setup.

Article · Practical guide Read the guide
Futures & risk

Why the chart and liquidation price can disagree

Check the price reference, trigger source and margin mode—not just the candle.

Article · Practical guide Read the guide
Futures collateral & account risk

Which balance is actually backing the trade?

Check collateral boundaries and automatic top-ups before relying on a margin label.

Article · Practical guide Read the guide
Derivatives & settlement

A contract count is not always a coin quantity

Read settlement units and multipliers before choosing a P&L formula.

Article · Practical guide Read the guide
Trade execution & signal exits

An old exit order can become the wrong trade

Check remaining size, closing intent and order behaviour after partial exits.

Article · Practical guide Read the guide
Position sizing

Turn a risk budget into position size

Follow the BTC example and check what an exact-stop-fill assumption leaves out.

Tool explanation · Worked example Read the guide
Multiple buys

Fill average is not fee-adjusted cost

Compare buy fees paid in quote currency with fees deducted from the purchased coin.

Tool explanation · Worked example Read the guide
Spot profit & loss

What remains after both sides of the trade pay fees?

Reconcile a full spot buy and sale, cash returned and fee-adjusted break-even.

Tool explanation · Worked example Read the guide
Perpetual funding

Who pays when the funding rate changes?

Keep long/short payments and receipts separate across a settlement worksheet.

Tool explanation · Worked example Read the guide
Linear futures P&L

Leverage changes the denominator, not the same trade twice

Separate fixed coin quantity from margin-based sizing, then reconcile fees and funding.

Tool explanation · Worked example Read the guide

Targets, partial exits & sharing

Swaps, execution & network fees

Market cap & token supply

DeFi liquidity, staking & compounding

Bitcoin mining: power, rewards & diagnostics