diff --git a/tools/t8n/helpers.nim b/tools/t8n/helpers.nim
index 4b2c5de10..7716d0eb1 100644
--- a/tools/t8n/helpers.nim
+++ b/tools/t8n/helpers.nim
@@ -443,7 +443,7 @@ proc `@@`*(x: ExecutionResult): JsonNode =
     result["currentBaseFee"] = @@(x.currentBaseFee)
   if x.withdrawalsRoot.isSome:
     result["withdrawalsRoot"] = @@(x.withdrawalsRoot)
-  if x.currentBlobGasUsed.isSome:
-    result["currentBlobGasUsed"] = @@(x.currentBlobGasUsed)
   if x.currentExcessBlobGas.isSome:
     result["currentExcessBlobGas"] = @@(x.currentExcessBlobGas)
+  if x.blobGasUsed.isSome:
+    result["blobGasUsed"] = @@(x.blobGasUsed)
diff --git a/tools/t8n/testdata/00-517/exp.json b/tools/t8n/testdata/00-517/exp.json
index 7d99d6a6e..5161422bb 100644
--- a/tools/t8n/testdata/00-517/exp.json
+++ b/tools/t8n/testdata/00-517/exp.json
@@ -15,8 +15,8 @@
     "currentDifficulty": null,
     "gasUsed": "0x0",
     "currentBaseFee": "0x500",
-    "withdrawalsRoot": "0x4921c0162c359755b2ae714a0978a1dad2eb8edce7ff9b38b9b6fc4cbc547eb5",
-    "currentBlobGasUsed": "0x0",
-    "currentExcessBlobGas": "0x0"
+    "withdrawalsRoot": "0x4921c0162c359755b2ae714a0978a1dad2eb8edce7ff9b38b9b6fc4cbc547eb5",    
+    "currentExcessBlobGas": "0x0",
+    "blobGasUsed": "0x0"
   }
 }
diff --git a/tools/t8n/testdata/28/exp.json b/tools/t8n/testdata/28/exp.json
index f0e7e7fa8..9fb205538 100644
--- a/tools/t8n/testdata/28/exp.json
+++ b/tools/t8n/testdata/28/exp.json
@@ -41,6 +41,6 @@
     "currentBaseFee": "0x9",
     "withdrawalsRoot": "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
     "currentExcessBlobGas": "0x0",
-    "currentBlobGasUsed": "0x20000"
+    "blobGasUsed": "0x20000"
   }
 }
\ No newline at end of file
diff --git a/tools/t8n/testdata/29/alloc.json b/tools/t8n/testdata/29/alloc.json
index 70d47862a..d2c879a45 100644
--- a/tools/t8n/testdata/29/alloc.json
+++ b/tools/t8n/testdata/29/alloc.json
@@ -6,7 +6,7 @@
     "storage" : {
     }
   },
-  "0xbEac00dDB15f3B6d645C48263dC93862413A222D" : {
+  "0x000F3df6D732807Ef1319fB7B8bB8522d0Beac02" : {
     "balance" : "0x1",
     "code" : "0x3373fffffffffffffffffffffffffffffffffffffffe14604457602036146024575f5ffd5b620180005f350680545f35146037575f5ffd5b6201800001545f5260205ff35b6201800042064281555f359062018000015500",
     "nonce" : "0x00",
diff --git a/tools/t8n/testdata/29/exp.json b/tools/t8n/testdata/29/exp.json
index ddff4e879..89534e4e1 100644
--- a/tools/t8n/testdata/29/exp.json
+++ b/tools/t8n/testdata/29/exp.json
@@ -1,6 +1,6 @@
 {
   "alloc": {
-    "0xbeac00ddb15f3b6d645c48263dc93862413a222d": {
+    "0x000f3df6d732807ef1319fb7b8bb8522d0beac02": {
       "code": "0x3373fffffffffffffffffffffffffffffffffffffffe14604457602036146024575f5ffd5b620180005f350680545f35146037575f5ffd5b6201800001545f5260205ff35b6201800042064281555f359062018000015500",
       "storage": {
         "0x000000000000000000000000000000000000000000000000000000000000079e": "0x000000000000000000000000000000000000000000000000000000000000079e",
@@ -14,7 +14,7 @@
     }
   },
   "result": {
-    "stateRoot": "0x2db9f6bc233e8fd0af2d8023404493a19b37d9d69ace71f4e73158851fced574",
+    "stateRoot": "0x19a4f821a7c0a6f4c934f9acb0fe9ce5417b68086e12513ecbc3e3f57e01573c",
     "txRoot": "0x248074fabe112f7d93917f292b64932394f835bb98da91f21501574d58ec92ab",
     "receiptsRoot": "0xf78dfb743fbd92ade140711c8bbc542b5e307f0ab7984eff35d751969fe57efa",
     "logsHash": "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347",
@@ -39,6 +39,6 @@
     "currentBaseFee": "0x9",
     "withdrawalsRoot": "0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421",
     "currentExcessBlobGas": "0x0",
-    "currentBlobGasUsed": "0x0"
+    "blobGasUsed": "0x0"
   }
-}
\ No newline at end of file
+}
diff --git a/tools/t8n/testdata/29/readme.md b/tools/t8n/testdata/29/readme.md
index 4383e328e..ab02ce9cf 100644
--- a/tools/t8n/testdata/29/readme.md
+++ b/tools/t8n/testdata/29/readme.md
@@ -1,29 +1,29 @@
 ## EIP 4788
 
 This test contains testcases for EIP-4788. The 4788-contract is 
-located at address `0xbeac00ddb15f3b6d645c48263dc93862413a222d`, and this test executes a simple transaction. It also
+located at address `0x000F3df6D732807Ef1319fB7B8bB8522d0Beac02`, and this test executes a simple transaction. It also
 implicitly invokes the system tx, which sets calls the contract and sets the 
 storage values
+
 ```
 $ dir=./testdata/29/ && go run . t8n --state.fork=Cancun  --input.alloc=$dir/alloc.json --input.txs=$dir/txs.json --input.env=$dir/env.json --output.alloc=stdout
-INFO [08-15|20:07:56.335] Trie dumping started                     root=ecde45..2af8a7
-INFO [08-15|20:07:56.335] Trie dumping complete                    accounts=2 elapsed="225.848µs"
-INFO [08-15|20:07:56.335] Wrote file                               file=result.json
+INFO [09-27|15:34:53.049] Trie dumping started                     root=19a4f8..01573c
+INFO [09-27|15:34:53.049] Trie dumping complete                    accounts=2 elapsed="192.759µs"
+INFO [09-27|15:34:53.050] Wrote file                               file=result.json
 {
   "alloc": {
-    "0xa94f5374fce5edbc8e2a8697c15331677e6ebf0b": {
-      "balance": "0x16345785d871db8",
-      "nonce": "0x1"
-    },
-    "0xbeac00541d49391ed88abf392bfc1f4dea8c4143": {
+    "0x000f3df6d732807ef1319fb7b8bb8522d0beac02": {
       "code": "0x3373fffffffffffffffffffffffffffffffffffffffe14604457602036146024575f5ffd5b620180005f350680545f35146037575f5ffd5b6201800001545f5260205ff35b6201800042064281555f359062018000015500",
       "storage": {
         "0x000000000000000000000000000000000000000000000000000000000000079e": "0x000000000000000000000000000000000000000000000000000000000000079e",
         "0x000000000000000000000000000000000000000000000000000000000001879e": "0x0000beac00beac00beac00beac00beac00beac00beac00beac00beac00beac00"
       },
-      "balance": "0x
+      "balance": "0x1"
+    },
+    "0xa94f5374fce5edbc8e2a8697c15331677e6ebf0b": {
+      "balance": "0x16345785d871db8",
+      "nonce": "0x1"
     }
   }
 }
-
 ```
diff --git a/tools/t8n/transition.nim b/tools/t8n/transition.nim
index 876ac841e..2585a4bb2 100644
--- a/tools/t8n/transition.nim
+++ b/tools/t8n/transition.nim
@@ -306,7 +306,7 @@ proc exec(ctx: var TransContext,
   )
 
   if fork >= FkCancun:
-    result.result.currentBlobGasUsed = some blobGasUsed
+    result.result.blobGasUsed = some blobGasUsed
     if ctx.env.currentExcessBlobGas.isSome:
       result.result.currentExcessBlobGas = ctx.env.currentExcessBlobGas
     elif ctx.env.parentExcessBlobGas.isSome and ctx.env.parentBlobGasUsed.isSome:
diff --git a/tools/t8n/types.nim b/tools/t8n/types.nim
index 700d5c428..c0087b744 100644
--- a/tools/t8n/types.nim
+++ b/tools/t8n/types.nim
@@ -97,7 +97,7 @@ type
     gasUsed*: GasInt
     currentBaseFee*: Option[UInt256]
     withdrawalsRoot*: Option[Hash256]
-    currentBlobGasUsed*: Option[uint64]
+    blobGasUsed*: Option[uint64]
     currentExcessBlobGas*: Option[uint64]
 
 const