most important: ecash has a mint

mint is custody
nostr:nevent1qvzqqqqqqypzps0uwaclt7jp3lf6cjfzrgv0rx6zejm6vc763uzvh0mvpryq6g93qqsv9ljgvztlku4yjzqm4wnm20pul75gd60qz96x9wwrruh8nuyurec2lrngs