Definition ∞ Transaction Fee Collapse describes a drastic and sustained reduction in the fees paid by users to process transactions on a blockchain network. This phenomenon can result from factors such as reduced network congestion, the adoption of more efficient scaling solutions, or a decline in overall network demand. For networks that rely heavily on transaction fees to incentivize miners or validators, a collapse in these fees can significantly impact network security and economic sustainability. It indicates a fundamental shift in network usage patterns or economic model.
Context ∞ The potential for Transaction Fee Collapse is a critical discussion point for proof-of-work blockchains, especially as block subsidies diminish over time. Analysts are closely observing how layer-2 scaling solutions and increased network capacity might impact fee markets. Ensuring sufficient transaction fee generation to maintain robust network security in the long term remains a significant challenge for protocol developers and the wider cryptocurrency ecosystem.