The dust limit created circulation problems for token users. As token usage increases, dust also increases which takes tokens out of circulation. More dust means less tokens available for trading. Efforts to decrease the dust limit in order to eliminate excess dust have occurred, notably BTC lowering its dust limit from 5460 satoshis to 546. Other proposed solutions involve ways to combine tiny wallet sums into a larger transaction, but this solution advocates reusing token addresses which creates financial privacy concerns.