Can I pay for 90 days of node fees in one transaction? StrongBlock January 03, 2022 17:05 Updated No. Node fees can be paid in 30-day increments. You cannot pay for more than 30 days at a time. Related articles What happens if I do not pay my monthly Node fee? What are the StrongBlock fees? How many days in advance can I pay the Node Fee? What are Ethereum 1.0 Node Rewards and how do I get them? Can I unmine at any time?