A PoS chain is only as secure as its market cap
IBC Relayers are safer than Bridges - Here's Why (Akash Network)
“If the TVL is higher than market cap, that means theoretically someone can purchase all the tokens and gain a majority share on a blockchain and attack, and basically transfer all the tokens using this majority voting power… it’s only secure as much as its market cap, as much as the tokens are locked up.” — 00:02:07
Context: Names the main future attack vector for Cosmos-based systems; adds “we’re yet to see a complete proof of stake blockchain takeover.” Speaker: uncredited clip; likely Greg.