From send to settlement
Begin with “Follow a transaction” and work toward “Transaction basics knowledge check”. Each available lesson includes a visual explanation and a quick knowledge check.
Read in order or choose a topic below. Completion marks stay in this browser. All 20 lessons in this track are available.
- 01
Follow a transaction
From pressing send to becoming part of the shared history.
6 MIN READ - 02
Write a payment instruction
An amount needs a destination, network and authorization context.
3 MIN READ - 03
What is a transaction hash?
A fingerprint identifies encoded transaction data; it is not a success certificate.
3 MIN READ - 04
What is a nonce?
An account’s transaction sequence helps keep instructions in order.
3 MIN READ - 05
Pending, confirmed and finalized
Different stages answer different questions about a transaction.
3 MIN READ - 06
What is a mempool?
A node’s local collection of pending transaction candidates.
3 MIN READ - 07
Who includes a transaction?
A block proposal chooses candidate transactions, while nodes verify the result.
3 MIN READ - 08
Why a transaction may wait
Fee conditions, nonce gaps and propagation can all delay inclusion.
3 MIN READ - 09
Why a transaction may fail
Rejection before inclusion differs from a revert during execution.
3 MIN READ - 10
What is a transaction receipt?
A result record for a transaction included in a block.
3 MIN READ - 11
Gas used versus gas limit
A ceiling on work is different from the work actually consumed.
3 MIN READ - 12
The recipient versus the sender
Who authorizes a transaction can differ from who receives an asset.
3 MIN READ - 13
Transaction value versus fee
The native amount sent and the cost of execution are separate.
3 MIN READ - 14
Read a simple transfer receipt
Use a fictional receipt to connect status, gas and block context.
3 MIN READ - 15
What happens after pressing send?
A wallet action begins a process with several observable stages.
3 MIN READ - 16
What is a replacement transaction?
A competing instruction can target the same sender nonce.
3 MIN READ - 17
What does canceling a transaction mean?
A wallet’s cancel action often submits a competing request; it is not an undo switch.
3 MIN READ - 18
What is a chain reorganization?
A node can replace its view of recent unfinalized blocks with another valid branch.
3 MIN READ - 19
A transaction journey illustrated
Connect the full sequence through one fictional payment.
3 MIN READ - 20
Transaction basics knowledge check
Use the right evidence for ordering, cost, execution and settlement.
3 MIN READ