ViaBTC is known as a popular mining pool, but I only interacted with them through their transaction acceleration service, Transaction Accelerator. I had 3 transactions stuck due to spammers, and they promised to help accelerate them completely for free. There are many positive reviews online, but no one mentioned the long queue, and a maximum of 100 transactions are processed per day. Additionally, there is a limit of only one transaction per day from a single IP. In the end, all my transactions were processed, but I had to wait several days. The first one was pushed through in 2 days, while the others took 3-4 days. Perhaps the service does indeed accelerate transactions, but the wait is too long due to the queue.
