Carbon Negative

Carbon Negative (miner-validator)

Carbon Negative is an unidentified Bitcoin miner / mining pool tag (i.e., a coinbase “signature”) observed in mined blocks, rather than a publicly attributed company or branded pool.

Identifiers observed on-chain

• Coinbase text tag: This block was mined with a carbon negative power source … hz (github.com)
• Associated payout / address identifiers (as tracked in the issue):
  • 33SAB6pzbhEGPbfY6NVgRDV7jVfspZ3A3Z
  • 3KZDwmJHB6QJ13QPXHaW7SS3yTESFPZoxb (github.com)

Status / attribution

• In the referenced mining-pool attribution dataset discussion, the entity is explicitly treated as an “unknown” mining pool (not mapped to a known operator at the time of reporting). (github.com)

Source context

• The label appears in bitcoin-data/mining-pools as GitHub Issue #48, opened July 29, 2021, documenting the unknown miner and its coinbase marker. (github.com)