Block space refers to the limited data capacity available within a single block on a blockchain for recording transactions. It represents a scarce resource where users bid through fees to have their transactions included. This constrained capacity directly impacts transaction processing speed and costs. Efficient use of block space is a key scaling challenge for many networks.
Context
The demand for block space is a primary driver of transaction fees on popular blockchains like Ethereum and Bitcoin. Debates surrounding block size limits and layer-2 scaling solutions directly relate to increasing available block space. News often covers periods of high block space congestion, which affects user experience and network accessibility.
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