diff --git a/packages/ssz/src/type/arrayComposite.ts b/packages/ssz/src/type/arrayComposite.ts
index d770c7a5..5a3907a5 100644
--- a/packages/ssz/src/type/arrayComposite.ts
+++ b/packages/ssz/src/type/arrayComposite.ts
@@ -211,7 +211,7 @@ export function tree_deserializeFromBytesArrayComposite<ElementType extends Comp
   }
 }
 
-export function value_getPaddedBytes64ArrayComposite<ElementType extends CompositeType<unknown, unknown, unknown>>(
+export function value_getBlocksBytesArrayComposite<ElementType extends CompositeType<unknown, unknown, unknown>>(
   elementType: ElementType,
   length: number,
   value: ValueOf<ElementType>[],
diff --git a/packages/ssz/src/type/bitArray.ts b/packages/ssz/src/type/bitArray.ts
index 6027b3f8..0d8fd93b 100644
--- a/packages/ssz/src/type/bitArray.ts
+++ b/packages/ssz/src/type/bitArray.ts
@@ -4,7 +4,7 @@ import {CompositeType, LENGTH_GINDEX} from "./composite.js";
 import {BitArray} from "../value/bitArray.js";
 import {BitArrayTreeView} from "../view/bitArray.js";
 import {BitArrayTreeViewDU} from "../viewDU/bitArray.js";
-import {getPaddedBytes64} from "./byteArray.js";
+import {getBlocksBytes} from "./byteArray.js";
 
 /* eslint-disable @typescript-eslint/member-ordering */
 
@@ -40,13 +40,13 @@ export abstract class BitArrayType extends CompositeType<BitArray, BitArrayTreeV
 
   // Merkleization
 
-  protected getPaddedBytes64(value: BitArray): Uint8Array {
+  protected getBlocksBytes(value: BitArray): Uint8Array {
     // reallocate this.blocksBuffer if needed
     if (value.uint8Array.length > this.blocksBuffer.length) {
       const chunkCount = Math.ceil(value.bitLen / 8 / 32);
       this.blocksBuffer = new Uint8Array(Math.ceil(chunkCount / 2) * 64);
     }
-    return getPaddedBytes64(value.uint8Array, this.blocksBuffer);
+    return getBlocksBytes(value.uint8Array, this.blocksBuffer);
   }
 
   // Proofs
diff --git a/packages/ssz/src/type/byteArray.ts b/packages/ssz/src/type/byteArray.ts
index e4aa8527..db79be48 100644
--- a/packages/ssz/src/type/byteArray.ts
+++ b/packages/ssz/src/type/byteArray.ts
@@ -89,13 +89,13 @@ export abstract class ByteArrayType extends CompositeType<ByteArray, ByteArray,
 
   // Merkleization
 
-  protected getPaddedBytes64(value: ByteArray): Uint8Array {
+  protected getBlocksBytes(value: ByteArray): Uint8Array {
     // reallocate this.blocksBuffer if needed
     if (value.length > this.blocksBuffer.length) {
       const chunkCount = Math.ceil(value.length / 32);
       this.blocksBuffer = new Uint8Array(Math.ceil(chunkCount / 2) * 64);
     }
-    return getPaddedBytes64(value, this.blocksBuffer);
+    return getBlocksBytes(value, this.blocksBuffer);
   }
 
   // Proofs
@@ -160,7 +160,7 @@ export abstract class ByteArrayType extends CompositeType<ByteArray, ByteArray,
   protected abstract assertValidSize(size: number): void;
 }
 
-export function getPaddedBytes64(value: Uint8Array, blocksBuffer: Uint8Array): Uint8Array {
+export function getBlocksBytes(value: Uint8Array, blocksBuffer: Uint8Array): Uint8Array {
   if (value.length > blocksBuffer.length) {
     throw new Error(`data length ${value.length} exceeds blocksBuffer length ${blocksBuffer.length}`);
   }
diff --git a/packages/ssz/src/type/composite.ts b/packages/ssz/src/type/composite.ts
index cdd6d96c..8db2fe84 100644
--- a/packages/ssz/src/type/composite.ts
+++ b/packages/ssz/src/type/composite.ts
@@ -238,7 +238,7 @@ export abstract class CompositeType<V, TV, TVDU> extends Type<V> {
       }
     }
 
-    const blocksBuffer = this.getPaddedBytes64(value);
+    const blocksBuffer = this.getBlocksBytes(value);
     merkleizeBlocksBytes(blocksBuffer, this.maxChunkCount, output, offset);
     if (this.cachePermanentRootStruct) {
       cacheRoot(value as ValueWithCachedPermanentRoot, output, offset, safeCache);
@@ -261,7 +261,7 @@ export abstract class CompositeType<V, TV, TVDU> extends Type<V> {
    * Get multiple SHA256 blocks, each is 64 bytes long.
    * If chunk count is not even, need to append zeroHash(0)
    */
-  protected abstract getPaddedBytes64(value: V): Uint8Array;
+  protected abstract getBlocksBytes(value: V): Uint8Array;
 
   // Proofs API
 
diff --git a/packages/ssz/src/type/container.ts b/packages/ssz/src/type/container.ts
index b53540be..e9ef58f7 100644
--- a/packages/ssz/src/type/container.ts
+++ b/packages/ssz/src/type/container.ts
@@ -274,7 +274,7 @@ export class ContainerType<Fields extends Record<string, Type<unknown>>> extends
 
   // Merkleization
 
-  protected getPaddedBytes64(struct: ValueOfFields<Fields>): Uint8Array {
+  protected getBlocksBytes(struct: ValueOfFields<Fields>): Uint8Array {
     for (let i = 0; i < this.fieldsEntries.length; i++) {
       const {fieldName, fieldType} = this.fieldsEntries[i];
       fieldType.hashTreeRootInto(struct[fieldName], this.blocksBuffer, i * 32);
diff --git a/packages/ssz/src/type/listBasic.ts b/packages/ssz/src/type/listBasic.ts
index b776fa75..b31647cb 100644
--- a/packages/ssz/src/type/listBasic.ts
+++ b/packages/ssz/src/type/listBasic.ts
@@ -210,7 +210,7 @@ export class ListBasicType<ElementType extends BasicType<unknown>>
     }
   }
 
-  protected getPaddedBytes64(value: ValueOf<ElementType>[]): Uint8Array {
+  protected getBlocksBytes(value: ValueOf<ElementType>[]): Uint8Array {
     const byteLen = this.value_serializedSize(value);
     const blockByteLen = Math.ceil(byteLen / 64) * 64;
     // reallocate this.blocksBuffer if needed
diff --git a/packages/ssz/src/type/listComposite.ts b/packages/ssz/src/type/listComposite.ts
index 452168aa..2d3ee645 100644
--- a/packages/ssz/src/type/listComposite.ts
+++ b/packages/ssz/src/type/listComposite.ts
@@ -250,7 +250,7 @@ export class ListCompositeType<
     }
   }
 
-  protected getPaddedBytes64(): Uint8Array {
+  protected getBlocksBytes(): Uint8Array {
     // we use merkleizeBlockArray for hashTreeRoot() computation
     throw Error("getBlockBytes should not be called for ListCompositeType");
   }
diff --git a/packages/ssz/src/type/optional.ts b/packages/ssz/src/type/optional.ts
index 36591ba7..dddf74ce 100644
--- a/packages/ssz/src/type/optional.ts
+++ b/packages/ssz/src/type/optional.ts
@@ -194,7 +194,7 @@ export class OptionalType<ElementType extends Type<unknown>> extends CompositeTy
     merkleizeBlocksBytes(this.mixInLengthBlockBytes, chunkCount, output, offset);
   }
 
-  protected getPaddedBytes64(value: ValueOfType<ElementType>): Uint8Array {
+  protected getBlocksBytes(value: ValueOfType<ElementType>): Uint8Array {
     if (value === null) {
       this.blocksBuffer.fill(0);
     } else {
diff --git a/packages/ssz/src/type/profile.ts b/packages/ssz/src/type/profile.ts
index 2df5a438..6d0cd1c9 100644
--- a/packages/ssz/src/type/profile.ts
+++ b/packages/ssz/src/type/profile.ts
@@ -382,7 +382,7 @@ export class ProfileType<Fields extends Record<string, Type<unknown>>> extends C
       }
     }
 
-    const blocksBytes = this.getPaddedBytes64(value);
+    const blocksBytes = this.getBlocksBytes(value);
     merkleizeBlocksBytes(blocksBytes, this.maxChunkCount, this.tempRoot, 0);
     mixInActiveFields(this.tempRoot, this.activeFields, output, offset);
 
@@ -391,7 +391,7 @@ export class ProfileType<Fields extends Record<string, Type<unknown>>> extends C
     }
   }
 
-  protected getPaddedBytes64(struct: ValueOfFields<Fields>): Uint8Array {
+  protected getBlocksBytes(struct: ValueOfFields<Fields>): Uint8Array {
     this.blocksBuffer.fill(0);
     for (let i = 0; i < this.fieldsEntries.length; i++) {
       const {fieldName, fieldType, chunkIndex, optional} = this.fieldsEntries[i];
diff --git a/packages/ssz/src/type/stableContainer.ts b/packages/ssz/src/type/stableContainer.ts
index 1d8f8f45..7ffe912d 100644
--- a/packages/ssz/src/type/stableContainer.ts
+++ b/packages/ssz/src/type/stableContainer.ts
@@ -355,7 +355,7 @@ export class StableContainerType<Fields extends Record<string, Type<unknown>>> e
       }
     }
 
-    const blockBytes = this.getPaddedBytes64(value);
+    const blockBytes = this.getBlocksBytes(value);
     merkleizeBlocksBytes(blockBytes, this.maxChunkCount, this.tempRoot, 0);
     // compute active field bitvector
     const activeFields = BitArray.fromBoolArray([
@@ -369,7 +369,7 @@ export class StableContainerType<Fields extends Record<string, Type<unknown>>> e
     }
   }
 
-  protected getPaddedBytes64(struct: ValueOfFields<Fields>): Uint8Array {
+  protected getBlocksBytes(struct: ValueOfFields<Fields>): Uint8Array {
     this.blocksBuffer.fill(0);
     for (let i = 0; i < this.fieldsEntries.length; i++) {
       const {fieldName, fieldType, optional} = this.fieldsEntries[i];
@@ -823,7 +823,7 @@ export function setActiveField(rootNode: Node, bitLen: number, fieldIndex: numbe
   return new BranchNode(rootNode.left, newActiveFieldsNode);
 }
 
-// This is a global buffer to avoid creating a new one for each call to getPaddedBytes64
+// This is a global buffer to avoid creating a new one for each call to getBlocksBytes
 const mixInActiveFieldsBlockBytes = new Uint8Array(64);
 const activeFieldsSingleChunk = mixInActiveFieldsBlockBytes.subarray(32);
 
diff --git a/packages/ssz/src/type/union.ts b/packages/ssz/src/type/union.ts
index d0d17417..a70dfa67 100644
--- a/packages/ssz/src/type/union.ts
+++ b/packages/ssz/src/type/union.ts
@@ -191,7 +191,7 @@ export class UnionType<Types extends Type<unknown>[]> extends CompositeType<
     merkleizeBlocksBytes(this.mixInLengthBlockBytes, chunkCount, output, offset);
   }
 
-  protected getPaddedBytes64(value: ValueOfTypes<Types>): Uint8Array {
+  protected getBlocksBytes(value: ValueOfTypes<Types>): Uint8Array {
     this.types[value.selector].hashTreeRootInto(value.value, this.blocksBuffer, 0);
     return this.blocksBuffer;
   }
diff --git a/packages/ssz/src/type/vectorBasic.ts b/packages/ssz/src/type/vectorBasic.ts
index a8ce9249..0f52cf22 100644
--- a/packages/ssz/src/type/vectorBasic.ts
+++ b/packages/ssz/src/type/vectorBasic.ts
@@ -147,7 +147,7 @@ export class VectorBasicType<ElementType extends BasicType<unknown>>
 
   // Merkleization
 
-  protected getPaddedBytes64(value: ValueOf<ElementType>[]): Uint8Array {
+  protected getBlocksBytes(value: ValueOf<ElementType>[]): Uint8Array {
     const uint8Array = this.blocksBuffer.subarray(0, this.fixedSize);
     const dataView = new DataView(uint8Array.buffer, uint8Array.byteOffset, uint8Array.byteLength);
     value_serializeToBytesArrayBasic(this.elementType, this.length, {uint8Array, dataView}, 0, value);
diff --git a/packages/ssz/src/type/vectorComposite.ts b/packages/ssz/src/type/vectorComposite.ts
index 75c12090..2c85b238 100644
--- a/packages/ssz/src/type/vectorComposite.ts
+++ b/packages/ssz/src/type/vectorComposite.ts
@@ -13,7 +13,7 @@ import {
   tree_serializeToBytesArrayComposite,
   maxSizeArrayComposite,
   minSizeArrayComposite,
-  value_getPaddedBytes64ArrayComposite,
+  value_getBlocksBytesArrayComposite,
 } from "./arrayComposite.js";
 import {ArrayCompositeType, ArrayCompositeTreeView} from "../view/arrayComposite.js";
 import {ArrayCompositeTreeViewDU} from "../viewDU/arrayComposite.js";
@@ -154,8 +154,8 @@ export class VectorCompositeType<
 
   // Merkleization
 
-  protected getPaddedBytes64(value: ValueOf<ElementType>[]): Uint8Array {
-    return value_getPaddedBytes64ArrayComposite(this.elementType, this.length, value, this.blocksBuffer);
+  protected getBlocksBytes(value: ValueOf<ElementType>[]): Uint8Array {
+    return value_getBlocksBytesArrayComposite(this.elementType, this.length, value, this.blocksBuffer);
   }
 
   // JSON: inherited from ArrayType
diff --git a/packages/ssz/test/spec/runValidTest.ts b/packages/ssz/test/spec/runValidTest.ts
index a8e9e67c..d91006f5 100644
--- a/packages/ssz/test/spec/runValidTest.ts
+++ b/packages/ssz/test/spec/runValidTest.ts
@@ -103,7 +103,7 @@ export function runValidSszTest(type: Type<unknown>, testData: ValidTestCaseData
     if (type.isBasic) {
       console.log("Chunk Bytes Basic", toHexString(type.serialize(testDataValue)));
     } else {
-      const blocksBytes = (type as CompositeType<unknown, unknown, unknown>)["getPaddedBytes64"](testDataValue);
+      const blocksBytes = (type as CompositeType<unknown, unknown, unknown>)["getBlocksBytes"](testDataValue);
       console.log("Blocks Bytes Composite", toHexString(blocksBytes));
     }
   }