Based on a blog post from Jameson Lopp I have made small memory cards for your next BTC meetup — not your keys not your coins...
https://blog.casa.io/securing-bitcoins-scarcity/
Entity: Bitcoinica
BTC Lost: 61,000
Year: 2012
Attack Method: Wallet Stolen
Entity: Bitfloor
BTC Lost: 24,000
Year: 2012
Attack Method: Private Key Leakage
Entity: MTGOX
BTC Lost: 650,000
Year: 2014
Attack Method: Wallet Stolen
Entity: Cryptsy
BTC Lost: 10,000
Year: 2016
Attack Method: Trojan Malware
Entity: Bitstamp
BTC Lost: 19,000
Year: 2015
Attack Method: Phishing Attack
Entity: BTC-e
BTC Lost: 66,000
Year: 2017
Attack Method: unknown — check block 477,472
Entity: Bitfinex
BTC Lost: 120,000
Year: 2016
Attack Method: Wallet Stolen
Entity: QuadrigaCX
BTC Lost: 10,000
Year: 2018
Attack Method: Founder and CEO suddenly died
Entity: Fcoin
BTC Lost: 10,000
Year: 2018
Attack Method: Scam
Entity: Celsius
BTC Lost: 105,000
Year: 2022
Attack Method: Information Leakage
Entity: BlockFi
BTC Lost: 30,000
Year: 2022
Attack Method: Information Leakage
Entity: FTX
BTC Lost: 70,000
Year: 2022
Attack Method: Scam
