File GKvolatility-2011-2017.txt contains the Garmann-Klass dailiy volatility. File BTC-BlockchainData_2017.txt contains the processed BTC blockchain transaction network. Column 1 = source node id Column 2 = target node id Column 3 = transaction time - unix timestamp of the transaction (seconds since % 1970-01-01) Column 4 = amount of bitcoins trasferred from source to node at transaction time For details about the data and citation: ino Antulov-Fantulin, Dijana Tolic, Matija Piskorec, Zhang Ce, Irena Vodenska, Inferring short-term volatility indicators from Bitcoin blockchain, Complex Networks and Their Applications VII. COMPLEX NETWORKS 2018. Studies in Computational Intelligence, vol 813. Springer, https://doi.org/10.1007/978-3-030-05414-4_41 Link on arxiv: https://arxiv.org/abs/1809.07856