Will be nice to keep track of it! 0xchat zero? I doubt

Mint StatisticsMint Statistics

The public capacity of the top 24 cashu mints is 11,100,188,771 sats or 111.00188771 btc

Assuming about half of that is "outbound" capacity (i.e. funds stored on the mint), I estimate that users have collectively stored about 5,550,094,385 sats or 55.501 btc on cashu mints

https://mint.coinos.io - Capacity: 1,331,826,660 sats
https://stablenut.umint.cash - Capacity: 56,266,532 sats
https://mint.nodenebula.com - Capacity: 162,050,000 sats
https://mint.utxo.one - Capacity: 3,000,000 sats
https://cashu.boats - Capacity: 40,500,000 sats
https://mint.nimo.cash - Capacity: 8,919,639 sats
https://mint.minibits.cash/Bitcoin - Capacity: 160,506,047 sats
https://mint.mountainlake.io - Capacity: 2,355,254,222 sats
https://antifiat.cash - Capacity: 500,000 sats
https://mint.lnwasanee.com - Capacity: 22,533,260 sats
https://mint.0xchat.com - Capacity: 0 sats
https://mint.lnw.cash - Capacity: 22,533,260 sats
https://mint.macadamia.cash - Capacity: 3,538,140 sats
https://8333.space:3338 - Capacity: 2,522,608,289 sats
https://mint.gwoq.com - Capacity: 1,226,967,140 sats
https://mint.data.haus - Capacity: 5,600,078 sats
https://cashu.21m.lol - Capacity: 36,777,215 sats
https://mint.bitcointxoko.com - Capacity: 10,000,000 sats
https://mint.belgianbitcoinembassy.org - Capacity: 102,500,000 sats
https://21mint.me - Capacity: 102,500,000 sats
https://mint.lnvoltz.com - Capacity: 273,200,000 sats
https://mint.103100.xyz - Capacity: 2,522,608,289 sats
https://mint.westernbtc.com - Capacity: 27,500,000 sats
https://mint.azzamo.net - Capacity: 102,500,000 sats