Snowflake Daily Operations collects donations to fund operation of the snowflake-01 bridge
"Your donation helps support this kind of ongoing maintenance. The primary cost of operating the bridge is bandwidth, and in 2025 we paid 4,129.50 EUR for the bandwidth of Snowflake users. We’re grateful for the donors who make it possible to keep running this service."
https://forum.torproject.org/t/snowflake-daily-operations-december-2025-update/21066