CIP-0019 | add note for pointer address removal in Conway (#902)

* add note to CIP19 for pointer address removal * spelling "deprecated" correctly, capitalising Conway * capitalising Mainnet * Update CIP-0019/README.md --------- Co-authored-by: Robert Phair <[email protected]>
cardano-foundation · Sep 18, 2024 · 4a0a54d · 4a0a54d
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diff --git a/CIP-0019/CIP-0019-cardano-addresses.abnf b/CIP-0019/CIP-0019-cardano-addresses.abnf
@@ -2,8 +2,8 @@ ADDRESS = %b0000 | NETWORK-TAG | KEY-HASH    | KEY-HASH       ; type 00, Base Sh
         \ %b0001 | NETWORK-TAG | SCRIPT-HASH | KEY-HASH       ; type 01, Base Shelley address
         \ %b0010 | NETWORK-TAG | KEY-HASH    | SCRIPT-HASH    ; type 02, Base Shelley address
         \ %b0011 | NETWORK-TAG | SCRIPT-HASH | SCRIPT-HASH    ; type 03, Base Shelley address
-        \ %b0100 | NETWORK-TAG | KEY-HASH    | POINTER        ; type 04, Pointer Shelley address
-        \ %b0101 | NETWORK-TAG | SCRIPT-HASH | POINTER        ; type 05, Pointer Shelley address
+        \ %b0100 | NETWORK-TAG | KEY-HASH    | POINTER        ; type 04, Pointer Shelley address deprecated in Conway
+        \ %b0101 | NETWORK-TAG | SCRIPT-HASH | POINTER        ; type 05, Pointer Shelley address deprecated in Conway
         \ %b0110 | NETWORK-TAG | KEY-HASH                     ; type 06, Payment Shelley address
         \ %b0111 | NETWORK-TAG | SCRIPT-HASH                  ; type 07, Payment Shelley address
         \ %b1000 | BYRON-PAYLOAD                              ; type 08, Byron / Bootstrap address

diff --git a/CIP-0019/README.md b/CIP-0019/README.md
@@ -110,6 +110,9 @@ Some addresses (types 6 and 7) carry no delegation part whatsoever. Their associ
 
 ##### Pointers
 
+> **Note**
+> From the Conway ledger era, new pointer addresses cannot be added to Mainnet.
+
 In an address, a **chain pointer** refers to a point of the chain containing a stake key registration certificate. A point is identified by 3 coordinates:
 
 - An absolute slot number