Learn Crypto

Structured education across every format and skill level · 92 guides

📝Article

Web3

4 min read

MetaMask Nonce Too Low: What the Error Means and How to Fix It

MetaMask says nonce too low? What the error means in plain English, the three things that cause it, and how to clear it without touching your funds.

Read Article →

📝Article

Web3

4 min read

How to Customize a Transaction Nonce

How to customize a transaction nonce in MetaMask: where the setting lives, which number to type, and the mistakes that leave a transaction stranded.

Read Article →

📝Article

Web3

4 min read

How to Modify or Cancel a Pending Ethereum Transaction

How to modify or cancel a pending Ethereum transaction by hand: find the nonce, send a replacement at the same number, and what to do if it still sits.

Read Article →

📝Article

Web3

4 min read

How to Speed Up or Cancel a Pending Transaction

How to speed up or cancel a pending transaction: what each button really does, why the fee must jump, and what to try when neither one works.

Read Article →

📝Article

Web3

4 min read

Ethereum Transaction Stuck Pending? Why It Happens and How to Fix It

An Ethereum transaction stuck pending usually means one thing: the fee is too low. Here is what is happening, how to fix it, and what does not help.

Read Article →

📝Article

Web3

4 min read

Why Are Bitcoin Fees So High Right Now?

Why are bitcoin fees so high right now? What fills the queue, why the price swings in hours, and four practical ways to pay less today.

Read Article →

📝Article

Web3

3 min read

How to Monitor the Mempool for Accurate Bitcoin Fee Estimation

How to monitor the mempool for accurate bitcoin fee estimation: what to watch, how often to look, and when waiting an hour beats any setting.

Read Article →

📝Article

Web3

3 min read

How to Read mempool.space: A Beginner's Tour of the Bitcoin Queue

How to read mempool.space: what the projected blocks, fee tiers and purging rate mean, and how to find your own bitcoin transaction in the queue.

Read Article →

📝Article

Web3

3 min read

Mempool Fee Tiers: What Congestion Tells You About Bitcoin Fees

Mempool fee tiers explained: what high, medium, low and no priority really mean, and how congestion in the queue tells you what to pay.

Read Article →

📝Article

Web3

4 min read

What Is the sat/vB Fee Rate? Bitcoin Fees Explained by Size

What is the sat/vB fee rate? Satoshis per virtual byte is the price of block space — the number that decides how fast your bitcoin confirms.

Read Article →

📝Article

Web3

4 min read

Bitcoin Transaction Fees Explained: What You Are Actually Paying For

Bitcoin transaction fees explained in plain English: who gets the money, why the same transfer costs more on some days, and how to pay less.

Read Article →

📝Article

Web3

4 min read

What Is the Bitcoin Mempool?

What is the Bitcoin mempool? The waiting room for unconfirmed transactions, how miners pick from it, and why your fee decides how long you wait.

Read Article →