How does Kaspa change the network minimum fee without splitting the network?

Kaspa can lower the minimum fee by releasing a software update, and the change takes effect once most users upgrade — no network split occurs if some nodes lag behind. A network split (sometimes called a fork) happens when nodes permanently disagree on which transactions or blocks are valid. Because Kaspa's minimum fee is enforced only at the mempool level and not at the block-acceptance level, nodes running the old minimum-fee rule will still accept blocks that contain lower-fee transactions mined under the new rule. This means fee-policy changes are far less disruptive in Kaspa than hard consensus rule changes, which is good news for beginners: upgrading your node to benefit from lower fees carries much less risk than it would on a blockchain where a missed upgrade could leave you on the wrong side of a split.

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