Add 3 crypto sites (Polymarket, Zora, Revolut.me), added crypto inves… (#2538)

* Add 3 crypto sites (Polymarket, Zora, Revolut.me), added crypto investigation use case page in docs

* Added fintech tag

* Updated sites metadata

maigret/resources/data.json

@@ -2620,7 +2620,8 @@
         },
         "Paypal": {
             "tags": [
-                "finance"
+                "finance",
+                "fintech"
             ],
             "checkType": "message",
             "absenceStrs": [
@@ -6041,6 +6042,7 @@
         "Venmo": {
             "tags": [
                 "finance",
+                "fintech",
                 "us"
             ],
             "checkType": "status_code",
@@ -8952,6 +8954,7 @@
         "banki.ru": {
             "disabled": true,
             "tags": [
+                "finance",
                 "ru"
             ],
             "engine": "engine404",
@@ -16017,7 +16020,8 @@
             "usernameUnclaimed": "noonewouldeverusethis7",
             "alexaRank": 108253,
             "tags": [
-                "finance"
+                "finance",
+                "fintech"
             ]
         },
         "forum.kineshemec.ru": {
@@ -24307,7 +24311,12 @@
             ],
             "url": "https://cash.app/${username}",
             "usernameClaimed": "john",
-            "usernameUnclaimed": "noonewouldeverusethis7"
+            "usernameUnclaimed": "noonewouldeverusethis7",
+            "tags": [
+                "finance",
+                "fintech",
+                "us"
+            ]
         },
         "Castingcallclub": {
             "checkType": "message",
@@ -29522,6 +29531,7 @@
             "disabled": true,
             "tags": [
                 "finance",
+                "fintech",
                 "ru"
             ],
             "urlProbe": "https://api.qiwi.me/piggybox/{username}",
@@ -34880,6 +34890,39 @@
                 "social"
             ]
         },
+        "Polymarket": {
+            "url": "https://polymarket.com/@{username}",
+            "urlMain": "https://polymarket.com",
+            "checkType": "status_code",
+            "usernameClaimed": "shayne",
+            "usernameUnclaimed": "noonewouldeverusethis7",
+            "tags": [
+                "crypto"
+            ]
+        },
+        "Zora": {
+            "url": "https://zora.co/@{username}",
+            "urlMain": "https://zora.co",
+            "checkType": "status_code",
+            "usernameClaimed": "jacob",
+            "usernameUnclaimed": "noonewouldeverusethis7",
+            "tags": [
+                "crypto",
+                "nft"
+            ]
+        },
+        "Revolut.me": {
+            "url": "https://revolut.me/{username}",
+            "urlProbe": "https://revolut.me/api/web-profile/{username}",
+            "urlMain": "https://revolut.me",
+            "checkType": "status_code",
+            "usernameClaimed": "adamp",
+            "usernameUnclaimed": "noonewouldeverusethis7",
+            "tags": [
+                "finance",
+                "fintech"
+            ]
+        },
         "Fragment": {
             "url": "https://fragment.com/username/{username}",
             "urlMain": "https://fragment.com",
@@ -35385,6 +35428,7 @@
         "erotic",
         "fashion",
         "finance",
+        "fintech",
         "forum",
         "freelance",
         "gambling",

maigret/resources/db_meta.json

@@ -1,8 +1,8 @@
 {
     "version": 1,
-    "updated_at": "2026-04-21T08:51:46Z",
-    "sites_count": 3143,
+    "updated_at": "2026-04-21T09:05:55Z",
+    "sites_count": 3144,
     "min_maigret_version": "0.6.0",
-    "data_sha256": "839ad4bc48719e4145564ef55c96995e9dbf91e43cda1fdac96d7d3475794caa",
+    "data_sha256": "8a24e0d08b964fb1d6133e90c5580f5dd73d4aba8f567013e7df831e530624bd",
     "data_url": "https://raw.githubusercontent.com/soxoj/maigret/main/maigret/resources/data.json"
 }