# C3 Pool Specifications & Carbon Methodologies

- [UBO](/c3-pool-specifications-and-carbon-methodologies/ubo.md)
- [UBO Blacklist](/c3-pool-specifications-and-carbon-methodologies/ubo/ubo-blacklist.md)
- [NBO](/c3-pool-specifications-and-carbon-methodologies/nbo.md)
- [SBO](/c3-pool-specifications-and-carbon-methodologies/sbo.md)