You need the following:
Horizon
Hex Editor
ACREVELATIONSSAVEGAME1A

TUT

1.- Get some Florins (money) between 1.000 and 9.000.

2.- make sure that it's all saved.

3.- Write down your money value and EXIT to the game's Main Menu

4.- Now exit to the dashboard, and extract ACREVELATIONSSAVEGAME1A to your PC

5.- Using an Hex editor, open your savegame and search for your money value in hexadecimal, but inverted:

5.- If your money value is 1234, then in hex would be 04D2 (4 characters), then inverted would be D204 (move 2 characters to the end).

6.- Search for possible matches; It SHOULD only return you with one value in the entire save file but if there's more, redo all steps after gaining some more money in the game.

6.- Once you find the right value, replace all 4 characters with FFFF, this would make your money amount change to 65535.

7.- Click Save in the hex editor. Rehash and resign as usual, then inject the file in your HDD/USB.

8.- Load up the game, it should recognize your save file and you should have 65.535 in your pocket.


*How To Mod Higher than 65535*

1) Get more than 68000 in currency in game (hex : 0109A0)
2) Reorder the hex to A00901 and change it to FFFFFF
3) Save it in hex editor and then close, then resign n rehash and inject the modded save back into your usb
4) Load up your save in assassin's creed revelations and it should say 16777215