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# Table 2 Four groups of transaction pattern features for each blockchain address

From: Characterizing key agents in the cryptocurrency economy through blockchain transaction analysis

Group | Symbol | Description |
---|---|---|

Volume | \(M_{\textrm{min}}^{\textrm{in}}\) | Minimum dollars received in a transaction |

\(M_{\textrm{max}}^{\textrm{in}}\) | Maximum dollars received in a transaction | |

\(M_{\textrm{mean}}^{\textrm{in}}\) | Average dollars received in a transaction | |

\(M_{\textrm{std}}^{\textrm{in}}\) | Standard deviation of dollars received in all transactions | |

\(M_{\textrm{sum}}^{\textrm{in}}\) | Total dollars received in all transactions | |

\(M_{\textrm{min}}^{\textrm{out}}\) | Minimum dollars sent in a transaction | |

\(M_{\textrm{max}}^{\textrm{out}}\) | Maximum dollars sent in a transaction | |

\(M_{\textrm{mean}}^{\textrm{out}}\) | Average dollars sent in a transaction | |

\(M_{\textrm{std}}^{\textrm{out}}\) | Standard deviation of dollars sent in all transactions | |

\(M_{\textrm{sum}}^{\textrm{out}}\) | Total dollars sent in all transactions | |

\(M_{\textrm{balance}}\) | \(M_{\textrm{sum}}^{\textrm{in}}-M_{\textrm{sum}}^{\textrm{out}}\) | |

Temporal | \(I_{\textrm{min}}^{\textrm{in}}\) | Minimum interval of received transactions |

\(I_{\textrm{max}}^{\textrm{in}}\) | Maximum interval of received transactions | |

\(I_{\textrm{mean}}^{\textrm{in}}\) | Average interval of received transactions | |

\(I_{\textrm{std}}^{\textrm{in}}\) | Standard deviation of received transaction intervals | |

\(I_{\textrm{min}}^{\textrm{out}}\) | Minimum interval of sent transactions | |

\(I_{\textrm{max}}^{\textrm{out}}\) | Maximum interval of sent transactions | |

\(I_{\textrm{mean}}^{\textrm{out}}\) | Average interval of sent transactions | |

\(I_{\textrm{std}}^{\textrm{out}}\) | Standard deviation of sent transaction intervals | |

Network size | \(T_{\textrm{in}}\) | Number of received transactions |

\(T_{\textrm{out}}\) | Number of sent transactions | |

\(N_{\textrm{in}}\) | Number of transaction recipients, i.e., out-degree | |

\(N_{\textrm{out}}\) | Number of transaction senders, i.e., in-degree | |

\(N^{\textrm{ego}}\) | Number of nodes in the ego network | |

Network structure |
R
| Reciprocity of the current address |

C
| Cluster coefficient of current address | |

\(D^{\textrm{ego}}\) | Density of the ego network | |

\(R^{\textrm{ego}}\) | Reciprocity of the ego network |