It's not the people that would buy bonds at 1000%, it's the central bank that would buy bonds at whatever interest rate they deem appropriate. They would create

It's not the people that would buy bonds at 1000%, it's the central bank that would buy bonds at whatever interest rate they deem appropriate. They would create all the required money out of thin air. It's not an infinite amount, but obviously at some point the compounding effect of printing new money to finance old debt is going to erode trust.