Ryan Sean Adams made this prediction in his 2023 predictions list:

Layer 2s reach $25B in TVL (yes, I’m trying this again).

Currently it's $5B. Will it reach $25B in 2023?

On the podcast, David from the show said this in response:

"25 is extremely bullish"

YES = the layer 2 TVL number on https://l2beat.com/scaling/tvl goes above $25B during 2023.

Ethereum layer 2s are blockchains which leverage the security of Ethereum. Examples:

• Arbitrum

• Optimism