Update draft-irtf-cfrg-vdaf.md

Co-authored-by: David Cook <dcook@divviup.org>
cfrg · May 2, 2024 · 99531a3 · 99531a3
1 parent 12bbf0e
commit 99531a3
Showing 1 changed file with 1 addition and 2 deletions.
diff --git a/draft-irtf-cfrg-vdaf.md b/draft-irtf-cfrg-vdaf.md
@@ -3991,8 +3991,7 @@ def is_valid(Poplar1, agg_param, previous_agg_params):
 
     (level, prefixes) = agg_param
     (last_level, last_prefixes) = previous_agg_params[-1]
-    # The empty prefix 0 is always there.
-    last_prefixes_set = set(list(last_prefixes) + [0])
+    last_prefixes_set = set(last_prefixes)
 
     # Check that level increased.
     if level <= last_level