Decoding #2: Locking & Unlocking Scripts 🔒🔓Decoding #2: Locking & Unlocking Scripts 🔒🔓

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Locking and Unlocking Scripts define how transactions can be spent.

1- Locking Script1- Locking Script

A script that specifies spending conditions for a transaction output.

Example:
OP_2 OP_ADD OP_4 OP_EQUAL

Condition: Add 2, check if it equals 4.

2- Unlocking Script2- Unlocking Script

A script that provides the data to satisfy the conditions in the locking script.

Example:
OP_2

Value: 2 satisfies the locking script condition above.

3- Execution3- Execution

• Unlocking script runs first, followed by locking script.
• If the stack contains TRUE (1), the transaction is valid.

To see how this works in an interactive way, visit https://bitcoindevs.xyz/decoding/locking-unlocking