[oleganza]

Hopefully proper implementation of CPFP (child-pays-for-parent) on the miners' side and in the wallets would bring fully decentralized solution to the problem. So you could simply "bump" your transaction by sending a child one that pays higher feerate for both itself and the parent. That would be more efficient since that fee would go to all miners, not just those with the deals with "accelerators". And no one in between to collect extra fee.