diff --git a/Benchmarks/Aiur.lean b/Benchmarks/Aiur.lean
index adda1d460..931d855a6 100644
--- a/Benchmarks/Aiur.lean
+++ b/Benchmarks/Aiur.lean
@@ -52,7 +52,7 @@ def toplevel := ⟦
 ⟧
 
 def commitmentParameters : Aiur.CommitmentParameters := {
-  logBlowup := 1
+  logBlowup := 2
   capHeight := 0
 }
 
@@ -60,8 +60,8 @@ def friParameters : Aiur.FriParameters := {
   logFinalPolyLen := 0
   maxLogArity := 1
   numQueries := 100
-  commitProofOfWorkBits := 20
-  queryProofOfWorkBits := 0
+  commitProofOfWorkBits := 0
+  queryProofOfWorkBits := 20
 }
 
 -- Stages the e2e proving pipeline through `benchStep`: each call times a stage
diff --git a/Benchmarks/Blake3.lean b/Benchmarks/Blake3.lean
index d8d047724..ebf23c739 100644
--- a/Benchmarks/Blake3.lean
+++ b/Benchmarks/Blake3.lean
@@ -11,7 +11,7 @@ abbrev dataSizes := #[64, 128, 256, 512, 1024, 2048]
 abbrev numHashesPerProof := #[1, 2, 4, 8, 16, 32]
 
 def commitmentParameters : Aiur.CommitmentParameters := {
-  logBlowup := 1
+  logBlowup := 2
   capHeight := 0
 }
 
@@ -19,8 +19,8 @@ def friParameters : Aiur.FriParameters := {
   logFinalPolyLen := 0
   maxLogArity := 1
   numQueries := 100
-  commitProofOfWorkBits := 20
-  queryProofOfWorkBits := 0
+  commitProofOfWorkBits := 0
+  queryProofOfWorkBits := 20
 }
 
 def mergedToplevel : Except Aiur.Global Aiur.Source.Toplevel := do
diff --git a/Benchmarks/IxVM.lean b/Benchmarks/IxVM.lean
index d288aa6ee..ffb463369 100644
--- a/Benchmarks/IxVM.lean
+++ b/Benchmarks/IxVM.lean
@@ -7,7 +7,7 @@ import Ix.Benchmark.Bench
 open BgroupM
 
 def commitmentParameters : Aiur.CommitmentParameters := {
-  logBlowup := 1
+  logBlowup := 2
   capHeight := 0
 }
 
@@ -15,8 +15,8 @@ def friParameters : Aiur.FriParameters := {
   logFinalPolyLen := 0
   maxLogArity := 1
   numQueries := 100
-  commitProofOfWorkBits := 20
-  queryProofOfWorkBits := 0
+  commitProofOfWorkBits := 0
+  queryProofOfWorkBits := 20
 }
 
 def main : IO Unit := do
diff --git a/Benchmarks/Sha256.lean b/Benchmarks/Sha256.lean
index 96c780d4d..86e08a28c 100644
--- a/Benchmarks/Sha256.lean
+++ b/Benchmarks/Sha256.lean
@@ -11,7 +11,7 @@ abbrev dataSizes := #[64, 128, 256, 512, 1024, 2048]
 abbrev numHashesPerProof := #[1, 2, 4, 8, 16, 32]
 
 def commitmentParameters : Aiur.CommitmentParameters := {
-  logBlowup := 1
+  logBlowup := 2
   capHeight := 0
 }
 
@@ -19,8 +19,8 @@ def friParameters : Aiur.FriParameters := {
   logFinalPolyLen := 0
   maxLogArity := 1
   numQueries := 100
-  commitProofOfWorkBits := 20
-  queryProofOfWorkBits := 0
+  commitProofOfWorkBits := 0
+  queryProofOfWorkBits := 20
 }
 
 def mergedToplevel : Except Aiur.Global Aiur.Source.Toplevel := do
diff --git a/Benchmarks/Typecheck.lean b/Benchmarks/Typecheck.lean
index 1462fa601..3fa65bfc4 100644
--- a/Benchmarks/Typecheck.lean
+++ b/Benchmarks/Typecheck.lean
@@ -106,7 +106,7 @@ bencher-specific reshaping is the caller's job (see
 open Lean (Json Name)
 
 def commitmentParameters : Aiur.CommitmentParameters := {
-  logBlowup := 1
+  logBlowup := 2
   capHeight := 0
 }
 
@@ -114,8 +114,8 @@ def friParameters : Aiur.FriParameters := {
   logFinalPolyLen := 0
   maxLogArity := 1
   numQueries := 100
-  commitProofOfWorkBits := 20
-  queryProofOfWorkBits := 0
+  commitProofOfWorkBits := 0
+  queryProofOfWorkBits := 20
 }
 
 /-- Recursion-tuned commitment parameters for `--recursive`, matching
@@ -136,8 +136,8 @@ def recursiveFriParameters : Aiur.FriParameters := {
   logFinalPolyLen := 0
   maxLogArity := 1
   numQueries := 100
-  commitProofOfWorkBits := 20
-  queryProofOfWorkBits := 0
+  commitProofOfWorkBits := 0
+  queryProofOfWorkBits := 20
 }
 
 
diff --git a/Ix/Cli/ProveCmd.lean b/Ix/Cli/ProveCmd.lean
index 183b39209..6319c362f 100644
--- a/Ix/Cli/ProveCmd.lean
+++ b/Ix/Cli/ProveCmd.lean
@@ -48,14 +48,14 @@ namespace Ix.Cli.ProveCmd
     proof header, they MUST stay in sync between `prove` and
     `verify`. -/
 private def commitmentParameters : Aiur.CommitmentParameters :=
-  { logBlowup := 1, capHeight := 0 }
+  { logBlowup := 2, capHeight := 0 }
 
 private def friParameters : Aiur.FriParameters := {
   logFinalPolyLen := 0
   maxLogArity := 1
   numQueries := 100
-  commitProofOfWorkBits := 20
-  queryProofOfWorkBits := 0
+  commitProofOfWorkBits := 0
+  queryProofOfWorkBits := 20
 }
 
 def proveOne (aiurSystem : Aiur.AiurSystem)
diff --git a/Ix/Cli/VerifyCmd.lean b/Ix/Cli/VerifyCmd.lean
index 634028410..f24bcb623 100644
--- a/Ix/Cli/VerifyCmd.lean
+++ b/Ix/Cli/VerifyCmd.lean
@@ -37,14 +37,14 @@ private def addrOfHex! (label : String) (s : String) : IO Address := do
     silently with no useful diagnostic, so these MUST match the
     proving side until they migrate into the proof header. -/
 private def commitmentParameters : Aiur.CommitmentParameters :=
-  { logBlowup := 1, capHeight := 0 }
+  { logBlowup := 2, capHeight := 0 }
 
 private def friParameters : Aiur.FriParameters := {
   logFinalPolyLen := 0
   maxLogArity := 1
   numQueries := 100
-  commitProofOfWorkBits := 20
-  queryProofOfWorkBits := 0
+  commitProofOfWorkBits := 0
+  queryProofOfWorkBits := 20
 }
 
 /-- Verify one persisted `Ixon.Proof` wrapper (by store address) against its
diff --git a/Tests/Aiur/Common.lean b/Tests/Aiur/Common.lean
index 8f17b28fb..b7fc720b3 100644
--- a/Tests/Aiur/Common.lean
+++ b/Tests/Aiur/Common.lean
@@ -36,7 +36,7 @@ def AiurTestCase.exec (functionName : Lean.Name)
   { functionName, input, expectedOutput, interpret := false, executionOnly := true }
 
 def commitmentParameters : Aiur.CommitmentParameters := {
-  logBlowup := 1
+  logBlowup := 2
   capHeight := 0
 }
 
@@ -44,8 +44,8 @@ def friParameters : Aiur.FriParameters := {
   logFinalPolyLen := 0
   maxLogArity := 1
   numQueries := 100
-  commitProofOfWorkBits := 20
-  queryProofOfWorkBits := 0
+  commitProofOfWorkBits := 0
+  queryProofOfWorkBits := 20
 }
 
 structure AiurTestEnv where