Investors are pleased to see bitcoin back in a bull trend, but there is a downside: the cost of sending it is sharply rising. The average bitcoin transaction fee soared by as much as 547% in the month to August 6, increasing from just $1 to $6.47, according to the latest data from Bitinfocharts. The fee dropped to $2.73 on August 9, but that is still about a 150% hike from just a month earlier, Bitcoin.com reported. Bitcoin users paid $6.65 to send a transaction over the blockchain on May 20, just nine days after the top crypto’s scheduled supply reduction, which is the highest in three months. Fees are paid each ... (full story)