Metric name: Thermocap

Chart:

API: https://chainmetrics.com/api/m33_thermocap?apikey=[YOUR-API-KEY-HERE]

Metric description: Aggregate security spend, or "Thermocap", is the aggregated amount of coins paid to miners and serves as a proxy to mining resources spent. It serves as a measure of the true capital flow into the network and is computed as the aggregate coinbase transactions multiplied by the price in USD at the time they were mined.