1FuckThatToyjr4vM3gykRyuZKuioh4Xt8
11 character, case correct address. nuff said.
Is it yours? It's been in active use since 2013, with high amounts of money going through.
Pretty sure it is, I saw it associated with a cowbay address too.
edit: maybe he can sign a message?
G5EyQTIU9g+8RZx5y3Z8uMRmlMRaLPFKG2Sk/+jG9UB5UlgYNVtRh23eALX1LjJwm2lHbvtnn6RBG4oaBN8msNY=