IBC memo spamming incident report:
2024/06/17: cosmoshub-osmosis (0-141)
spammed with over 30k packets with large memos
https://x.com/gadikian/status/1802637809871990908?t=YTOaZ4Qr8XmowwJhazn7IQ&s=19
https://www.mintscan.io/osmosis/tx/05328B81D051D0E71D4DB530665F97D83FA5286404E6677B39DA0B234C6FE7B2?height=16843794
characteristics of the txns: large size, relatively low gas cost
- ~2M GAS