“The boost from Runes proves short-lived, however, with users’ activity and fees dropping dramatically over the past week or two,” the authors wrote, noting that “this highlights the ongoing challenge faced by bitcoin miners to maintain a sustainable source of revenue in particular in the post halving environment.”
![Bitcoin Mining Cost Estimate Drops to K as Inefficient Miners Exit: JPMorgan Bitcoin Mining Cost Estimate Drops to K as Inefficient Miners Exit: JPMorgan](https://www.coindesk.com/resizer/E475nhNdf7VLO2frKpe8G05tfgg=/1200x628/center/middle/cloudfront-us-east-1.images.arcpublishing.com/coindesk/4V3PLAJWKND5ZJLKFCDRGFKAHA.jpg)