Substitute currency is paper-based gold and silver, equivalent notes for real precious metals, and people's trust in them comes from their trust in actual gold and silver.
However, credit money cannot be exchanged for gold and silver; its value is decoupled from precious metals, and its purchasing power entirely originates from the state's "promise".
In this era, whether a state's promise is enough to convince people that a pile of paper can replace money, and even entice international trade partners to recognize this, is the biggest issue.
"Your Majesty, perhaps you shouldn't worry about this," Patrick understood what Gawain was thinking, "We have data and samples. Moreover, in my view, if we want to issue credit currency, now might be the best opportunity."
Gawain looked at Patrick: "…You mean…"
