BTC Guild is a mining pool.
This pool pays out with either Pay-per-Share (PPS) or Pay-per-Last-N-Shares (PPLNS) reward systems.
The service was first publicly available on May 09, 2011.
- Pay-per-Share: 5% fee.
- Pay-per-Last-N-Shares: 3% fee (pays out block transaction fees and orphaned blocks)
- Getwork servers with optional merged mining of Namecoins.
- Stratum servers utilizing variable difficulty (20 shares per minute) and manual minimum difficulty selection (up to 512).