Audit 63, payment-v2 memos

audit/var-63.md

+# Chain Variable Transaction 63
+
+## Changes
+
+This transaction sets `allow_payment_v2_memos` to `true` to enable limited support for [payment-v2 memos](https://github.com/helium/HIP/blob/master/0026-payment-notes.md).
+
+## Version threshold
+
+None
+
+## Transaction
+
+```
+[{869852,
+  [{blockchain_txn_vars_v1_pb,[{blockchain_var_v1_pb,"allow_payment_v2_memos",
+                                                     "atom",<<"true">>}],
+                              0,
+                              <<48,70,2,33,0,167,205,212,20,42,60,137,113,202,2,232,255,
+                                7,45,247,178,55,80,82,35,52,168,183,187,215,14,94,77,
+                                238,49,2,198,2,33,0,186,29,109,92,135,41,30,25,155,180,
+                                101,250,175,207,15,197,213,194,141,133,252,130,174,10,
+                                83,150,215,54,237,4,233,242>>,
+                              <<>>,<<>>,[],[],63,[],[],[]}]}]
+
+```
+
+## Acceptance block
+
+869852
+
+## Acceptance block time
+
+Thu Jun  3 09:06:49 PM UTC 2021