Add Zeitgeist ss58 prefix 73 reservation (#8509)

substrate/primitives/core/src/crypto.rs

@@ -586,6 +586,8 @@ ss58_address_format!(
 		(67, "equilibrium", "Equilibrium Network, standard account (*25519).")
 	SoraAccount =>
 		(69, "sora", "SORA Network, standard account (*25519).")
+  ZeitgeistAccount =>
+		(73, "zeitgeist", "Zeitgeist network, standard account (*25519).")
 	MantaAccount =>
 		(77, "manta", "Manta Network, standard account (*25519).")
 	CalamariAccount =>

substrate/ss58-registry.json

@@ -486,6 +486,15 @@
 			"decimals": [18],
 			"standardAccount": "*25519",
 			"website": "https://sora.org"
+    },
+    {
+      "prefix": 73,
+			"network": "zeitgeist",
+			"displayName": "Zeitgeist",
+			"symbols": ["ZTG"],
+			"decimals": [10],
+			"standardAccount": "*25519",
+			"website": "https://zeitgeist.pm"
 		},
 		{
 			"prefix": 77,