[ad_1] <br><a target="_blank" href="https://news.google.com/rss/articles/CBMid2h0dHBzOi8vd3d3LnRlbGVmb25pY2EuY29tL2VuL2NvbW11bmljYXRpb24tcm9vbS90ZWxlZm9uaWNhLXRlY2gtYW5kLWFkd2F0Y2gtYXBwbHktYmxvY2tjaGFpbi1hZ2FpbnN0LWRpZ2l0YWwtYWQtZnJhdWQv0gF7aHR0cHM6Ly93d3cudGVsZWZvbmljYS5jb20vZW4vY29tbXVuaWNhdGlvbi1yb29tL3RlbGVmb25pY2EtdGVjaC1hbmQtYWR3YXRjaC1hcHBseS1ibG9ja2NoYWluLWFnYWluc3QtZGlnaXRhbC1hZC1mcmF1ZC9hbXAv?oc=5" rel="noopener">Telefónica Tech and Adwatch apply Blockchain against digital ad fraud</a>&nbsp;&nbsp;<font color="#6f6f6f">Telefónica</font> <br>[ad_2] <br><a href="https://news.google.com/rss/articles/CBMid2h0dHBzOi8vd3d3LnRlbGVmb25pY2EuY29tL2VuL2NvbW11bmljYXRpb24tcm9vbS90ZWxlZm9uaWNhLXRlY2gtYW5kLWFkd2F0Y2gtYXBwbHktYmxvY2tjaGFpbi1hZ2FpbnN0LWRpZ2l0YWwtYWQtZnJhdWQv0gF7aHR0cHM6Ly93d3cudGVsZWZvbmljYS5jb20vZW4vY29tbXVuaWNhdGlvbi1yb29tL3RlbGVmb25pY2EtdGVjaC1hbmQtYWR3YXRjaC1hcHBseS1ibG9ja2NoYWluLWFnYWluc3QtZGlnaXRhbC1hZC1mcmF1ZC9hbXAv?oc=5">Source link </a>