Understanding Block and Transaction Logs of Permissionless Blockchain Networks

Table 2

Transaction and block set notation of our measurement framework.

Notation	Description	Definition
Bobs	The set of blocks observed in the observation period	where there is no satisfying or
Bmain	The set of blocks that are included in the main chain	where for all and and are the preamble and concluding blocks, respectively.
Bstale	The set of observed blocks that are stale
Bunseen	The set of blocks that are part of the main chain but not observed
Tobs	The set of transactions observed in the observation period	where there is no satisfying or
Tpre	The set of transactions observed before the observation period	where there is no satisfying
Tpost	The set of transactions observed after the observation period	where there is no satisfying
Tstale	The set of observed transactions that are stale
Tincluded	The set of transactions that are observed and included in the main chain blocks
Tunseen	The set of transactions that are included in the main chain blocks but not observed