A sign from the attacker?
Swarm City -
Edgeless Casino -
Aeternity-
-Update-
Parity Technologies logo itself is, well, half infinity (maybe because the attack was on Parity Wallet version 1.5?!)
Read next
News from the past on wallet hacks: Binance Trust Wallet Hackshortsegments · 
Lord handle all the attacks from last position. chinay04 · 
My First Experience with Raid Stead | Join the Community and Chased off the Swarm!mrdani12 · 
What the Latest Bitcoin Wallet Attack Taught Me About Securityogaaloysius ·
From @lzys