DEMO PREVIEW — Synthetic data for illustration. The live system runs on a private Sphere with real Bitcoin mainnet data.
PreBlock

PreBlock v1.0

24/7 SLA & On-Call

M7
€20,000 – €25,000 / year

Vendor on-call coverage for pools that cannot afford downtime.

Response-time matrix
SeverityDescriptionFirst responseOwner
CriticalProduction down or actively losing money15 minutesOn-call lead
HighSeverely degraded performance1 hourOn-call engineer
NormalBug or routine question4 hours businessVendor team
LowFeature request / wish-listNext planning cycleRoadmap
Included
  • Priority bug-fix queue
  • 24/7 on-call engineering (1 lead + 1 backup)
  • Monthly health-review video call
  • Quarterly performance audit (PDF report)
  • Direct Telegram / Signal hotline
  • Vendor monitoring of your Sphere via opt-in WireGuard tunnel
  • Hot-patch deployment for security CVEs
Not included
  • New feature development (always paid separately)
  • On-site visits (billed at travel + day rate)
  • Hardware replacement (insurance / hardware vendor)
  • Network connectivity (your ISP)
Contact channels (active customers only)

Phone hotline number is shared via NDA on contract signature. Telegram and e-mail are public; please tag CRITICAL or HIGH in the subject so the on-call lead is paged immediately.

The M7 SLA is an annual recurring contract on top of any base license. We do not subcontract on-call — every page reaches a PreBlock engineer directly. Coverage starts on the calendar day of payment receipt.