As the number of unconfirmed Bitcoin transactions keeps increasing, a lot of users are left frustrated either by paying very high fees or experiencing protracted delays in their transactions.
Most users are seeking ways to facilitate their already delayed transaction. Some patronize online services that claim to accelerate transaction confirmation, while others engage platforms that they believe would offer the opportunity to broadcast such transactions to the miner’s community.
Read more here: https://cointelegraph.com/news/dirty-politics-responsible-for-confirmation-queues-on-bitcoin-blockchain