"What kind of evidence?"
Guest list of Ripples Interledger protocol workshop back in 2016 shows a list of big names all getting together to have a talk about crypto.
<a href='https://twitter.com/XRP_stuart/status/1242550399602700291?s=20'>https://twitter.com/XRP_stuart/status/1242550399602700291?s=20</a><div class='embed' data-url='https://twitter.com/XRP_stuart/status/1242550399602700291?s=20'></div>
"What kind of evidence?"
Guest list of Ripples Interledger protocol workshop back in 2016 shows a list of big names all getting together to have a talk about crypto.
<a href='https://twitter.com/XRP_stuart/status/1242550399602700291?s=20'>https://twitter.com/XRP_stuart/status/1242550399602700291?s=20</a><div class='embed' data-url='https://twitter.com/XRP_stuart/status/1242550399602700291?s=20'></div>