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What Is ‘Block Space’ and Why Is It Limited?

Block space is the finite data capacity of a block, limited by consensus rules (like block weight) to prevent spam and ensure decentralization.
Greeks.Live18.11.25

What Is ‘Block Space’ and Why Is It Limited?

Block space refers to the finite amount of data storage capacity available within a single block on a blockchain. It is limited by the network's consensus rules, such as Bitcoin's block size limit (or block weight limit).

This limit is a deliberate design choice to prevent network spam, maintain decentralization by keeping the blockchain manageable, and ensure that nodes can easily verify blocks.

How Does a Legal Entity (Like a Corporation) Demonstrate Capacity to Use a Smart Contract?
What Is the Difference between Permissioned and Permissionless Consensus?
How Is ‘Capacity’ Determined for an Individual Using a Crypto Wallet?
How Does the Halving Schedule Ensure a Finite Supply of Bitcoin?

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