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p2p-metrics

Health metrics for Bitcoin's P2P network

Metric list

DNS seed metrics

DNS seed summary

The file dns_seed_summary.csv contains a summary of the combined node set which is comprised by the nodes received by all DNS seeds:

  • The total column indicates the total number of nodes received by all DNS seeds
  • The unique column represents the number of unique nodes received by all seeds
  • The duplicate column contains the number of duplicate nodes (i.e. nodes that were advertised by multiple peers). When a node is advertised n times, one of the nodes is counted as unique; the remaining n-1 nodes are counted as duplicates.
  • The reachable and unreachable columns show the number of nodes that could and could not be reached. Duplicates are not included in these categories.
  • The stale column gives the number of nodes that were already received on the previous days. Unreachable and duplicate nodes are not included in this category.
  • The pristine column corresponds to the number of nodes that were unique, reachable and not stale (i.e., not part of the previous day's node set).

Advertised nodes

The file dns_seed_advertised_node_count.csv provides the number of nodes advertised by each DNS seed.

Pristine nodes

The file dns_seed_pristine_node_count.csv provides the number of pristine nodes provided by each DNS seed.

The file dns_seed_pristine_node_share.csv holds the share of pristine nodes provided by each DNS seed (i.e., the ratio of pristine to overall nodes provided by a seed).

Stale nodes

The file dns_seed_stale_node_count.csv provides the number of stale nodes provided by each DNS seed.

The file dns_seed_stale_node_share.csv holds the share of stale nodes provided by each DNS seed (i.e., the ratio of stale to overall nodes provided by a seed).

Reachable nodes

The file dns_seed_reachable_node_count.csv provides the number of reachable nodes provided by each DNS seed.

The file dns_seed_reachable_node_share.csv holds the share of reachable nodes provided by each DNS seed (i.e., the ratio of reachable to overall nodes provided by a seed).

Unreachable nodes

The file dns_seed_unreachable_node_count.csv provides the number of unreachable nodes provided by each DNS seed.

The file dns_seed_unreachable_node_share.csv holds the share of unreachable nodes provided by each DNS seed (i.e., the ratio of unreachable to overall nodes provided by a seed).

Duplicate nodes

The file dns_seed_duplicate_node_count.csv provides the number of duplicate nodes provided by each DNS seed.

The file dns_seed_duplicate_node_share.csv holds the share of duplicate nodes provided by each DNS seed (i.e., the ratio of duplicate to overall nodes provided by a seed).

The number and share of duplicates is calculated based on how many of the nodes advertised based by a peer were provided by all other seeds.

P2P metrics

Reachable Bitcoin nodes

The file p2p_reachable_node_count.csv contains the total number of reachable Bitcoin nodes, as well as the number of reachable nodes by different network types.

The file p2p_reachable_node_count.csv contains the month-over-month (30 days) percentage change in total number of reachable Bitcoin nodes, as well as the change in number of reachable nodes by different network types.

The file p2p_reachable_node_share.csv comprises the share of nodes contributed by different network types.

The file p2p_long_term_reachable_node_count.csv provides the total number of long-term reachable Bitcoin nodes (i.e., nodes that were reachable on thirty successive days) as as well as the number of long-term reachable nodes by different network types.

Unique reachable Bitcoin nodes

The file p2p_unique_reachable_node_count.csv contains an estimate of the total number of unique reachable Bitcoin nodes. Moreover, the file contains a breakdown of the total number of unique reachable nodes into network-type combinations (i.e., categories that indicate the network types supported by a given unique node).

The file p2p_unique_reachable_node_count_monthly_change.csv contains the month-over-month (30 days) percentage change in total number of unique reachable Bitcoin nodes.

The file p2p_unique_reachable_node_share.csv comprises the share of nodes contributed by different network-type combinations.