Word Association

[AmericanThunder]

Bleed - colour

 

[TransAmDan]

colour - paint

 

[chris68coupe]

paint - brush

 

[AmericanThunder]

Brush - broom

 

[TransAmDan]

Broom - witch

 

[AmericanThunder]

Witch - cauldron

 

[TransAmDan]

Cauldron - iron

 

[AmericanThunder]

Iron - foundary

 

[chris68coupe]

foundry - blacksmith

 

[Will]

topographer - profession

 

[AmericanThunder]

Blacksmith - art

 

[chris68coupe]

art - forgery

 

[AmericanThunder]

Forgery - counterfeit

 

[TransAmDan]

counterfeit - money

 

[AmericanThunder]

Money - bitcoin

 

[TransAmDan]

Bitcoin - crypto

 

[chris68coupe]

crypto - code

(Just a guess - Crypto/cryptology)

 

[AmericanThunder]

Code - breaker

 

[chris68coupe]

breaker - enigma

 

[AmericanThunder]

Enigma - puzzling