List of top Layer 2 (L2) coins by market cap. The current Layer 2 (L2) coin market cap is $4.07B , which has changed by -4.67% in the past 24 hours; the Layer 2 (L2) coin trading volume is $22.78M, which has changed by +0.02% in the past 24 hours. There are 61 cryptocurrencies in the Layer 2 (L2) coin list today.