For most people there is no difference.
The best description I have seen online about the difference between the 2 is this one:
https://blog.pangeanic.com/difference-between-traditional-and-simplified-chineseI would print both. Ink & toner & paper are cheap. Having you or someone else loose access to a wallet because they did not have the correct word list is expensive.
Also, keep in mind, in the PC world there are some subtle differences between the character sets when loaded. I do not think it matters in
BTC / crypto. But why risk it.
-Dave