diff --git a/beacon_node/beacon_chain/src/blob_verification.rs b/beacon_node/beacon_chain/src/blob_verification.rs
index 14932a1b5..db7561775 100644
--- a/beacon_node/beacon_chain/src/blob_verification.rs
+++ b/beacon_node/beacon_chain/src/blob_verification.rs
@@ -9,12 +9,12 @@ use crate::BlockError::BlobValidation;
 use crate::{kzg_utils, BeaconChainError, BlockError};
 use state_processing::per_block_processing::eip4844::eip4844::verify_kzg_commitments_against_transactions;
 use types::signed_beacon_block::BlobReconstructionError;
+use types::ExecPayload;
 use types::{
     BeaconBlockRef, BeaconStateError, BlobsSidecar, Epoch, EthSpec, Hash256, KzgCommitment,
     SignedBeaconBlock, SignedBeaconBlockAndBlobsSidecar, SignedBeaconBlockHeader, Slot,
     Transactions,
 };
-use types::ExecPayload;
 
 #[derive(Debug)]
 pub enum BlobError {
@@ -89,7 +89,7 @@ pub fn validate_blob_for_gossip<T: BeaconChainTypes>(
     block_root: Hash256,
     chain: &BeaconChain<T>,
 ) -> Result<AvailableBlock<T::EthSpec>, BlobError> {
-    if let BlockWrapper::BlockAndBlob(block, blobs_sidecar) = block_wrapper {
+    if let BlockWrapper::BlockAndBlob(ref block, ref blobs_sidecar) = block_wrapper {
         let blob_slot = blobs_sidecar.beacon_block_slot;
         // Do not gossip or process blobs from future or past slots.
         let latest_permissible_slot = chain
@@ -178,6 +178,16 @@ impl<E: EthSpec> From<SignedBeaconBlock<E>> for BlockWrapper<E> {
     }
 }
 
+impl<E: EthSpec> From<SignedBeaconBlockAndBlobsSidecar<E>> for BlockWrapper<E> {
+    fn from(block: SignedBeaconBlockAndBlobsSidecar<E>) -> Self {
+        let SignedBeaconBlockAndBlobsSidecar {
+            beacon_block,
+            blobs_sidecar,
+        } = block;
+        BlockWrapper::BlockAndBlob(beacon_block, blobs_sidecar)
+    }
+}
+
 impl<E: EthSpec> From<Arc<SignedBeaconBlock<E>>> for BlockWrapper<E> {
     fn from(block: Arc<SignedBeaconBlock<E>>) -> Self {
         BlockWrapper::Block(block)
@@ -327,15 +337,6 @@ impl<E: EthSpec> AvailableBlock<E> {
         }
     }
 
-    pub fn block_cloned(&self) -> Arc<SignedBeaconBlock<E>> {
-        match &self.0 {
-            AvailableBlockInner::Block(block) => block.clone(),
-            AvailableBlockInner::BlockAndBlob(block_sidecar_pair) => {
-                block_sidecar_pair.beacon_block.clone()
-            }
-        }
-    }
-
     pub fn blobs(&self) -> Option<Arc<BlobsSidecar<E>>> {
         match &self.0 {
             AvailableBlockInner::Block(_) => None,
@@ -385,8 +386,9 @@ pub trait AsBlock<E: EthSpec> {
     fn parent_root(&self) -> Hash256;
     fn state_root(&self) -> Hash256;
     fn signed_block_header(&self) -> SignedBeaconBlockHeader;
-    fn as_block(&self) -> &SignedBeaconBlock<E>;
     fn message(&self) -> BeaconBlockRef<E>;
+    fn as_block(&self) -> &SignedBeaconBlock<E>;
+    fn block_cloned(&self) -> Arc<SignedBeaconBlock<E>>;
 }
 
 impl<E: EthSpec> AsBlock<E> for BlockWrapper<E> {
@@ -417,9 +419,7 @@ impl<E: EthSpec> AsBlock<E> for BlockWrapper<E> {
     fn message(&self) -> BeaconBlockRef<E> {
         match &self {
             BlockWrapper::Block(block) => block.message(),
-            BlockWrapper::BlockAndBlob(block, _) => {
-                block.message()
-            }
+            BlockWrapper::BlockAndBlob(block, _) => block.message(),
         }
     }
     fn as_block(&self) -> &SignedBeaconBlock<E> {
@@ -428,6 +428,12 @@ impl<E: EthSpec> AsBlock<E> for BlockWrapper<E> {
             BlockWrapper::BlockAndBlob(block, _) => &block,
         }
     }
+    fn block_cloned(&self) -> Arc<SignedBeaconBlock<E>> {
+        match &self {
+            BlockWrapper::Block(block) => block.clone(),
+            BlockWrapper::BlockAndBlob(block, _) => block.clone(),
+        }
+    }
 }
 
 impl<E: EthSpec> AsBlock<E> for &BlockWrapper<E> {
@@ -458,9 +464,7 @@ impl<E: EthSpec> AsBlock<E> for &BlockWrapper<E> {
     fn message(&self) -> BeaconBlockRef<E> {
         match &self {
             BlockWrapper::Block(block) => block.message(),
-            BlockWrapper::BlockAndBlob(block, _) => {
-                block.message()
-            }
+            BlockWrapper::BlockAndBlob(block, _) => block.message(),
         }
     }
     fn as_block(&self) -> &SignedBeaconBlock<E> {
@@ -469,6 +473,12 @@ impl<E: EthSpec> AsBlock<E> for &BlockWrapper<E> {
             BlockWrapper::BlockAndBlob(block, _) => &block,
         }
     }
+    fn block_cloned(&self) -> Arc<SignedBeaconBlock<E>> {
+        match &self {
+            BlockWrapper::Block(block) => block.clone(),
+            BlockWrapper::BlockAndBlob(block, _) => block.clone(),
+        }
+    }
 }
 
 impl<E: EthSpec> AsBlock<E> for AvailableBlock<E> {
@@ -520,4 +530,12 @@ impl<E: EthSpec> AsBlock<E> for AvailableBlock<E> {
             }
         }
     }
+    fn block_cloned(&self) -> Arc<SignedBeaconBlock<E>> {
+        match &self.0 {
+            AvailableBlockInner::Block(block) => block.clone(),
+            AvailableBlockInner::BlockAndBlob(block_sidecar_pair) => {
+                block_sidecar_pair.beacon_block.clone()
+            }
+        }
+    }
 }
diff --git a/beacon_node/beacon_chain/src/block_verification.rs b/beacon_node/beacon_chain/src/block_verification.rs
index 39f3b06c0..14041b47c 100644
--- a/beacon_node/beacon_chain/src/block_verification.rs
+++ b/beacon_node/beacon_chain/src/block_verification.rs
@@ -73,6 +73,7 @@ use fork_choice::{AttestationFromBlock, PayloadVerificationStatus};
 use parking_lot::RwLockReadGuard;
 use proto_array::{Block as ProtoBlock, Block};
 use safe_arith::ArithError;
+use slasher::test_utils::{block, E};
 use slog::{debug, error, warn, Logger};
 use slot_clock::SlotClock;
 use ssz::Encode;
@@ -90,7 +91,6 @@ use std::fs;
 use std::io::Write;
 use std::sync::Arc;
 use std::time::Duration;
-use slasher::test_utils::{block, E};
 use store::{Error as DBError, HotStateSummary, KeyValueStore, StoreOp};
 use task_executor::JoinHandle;
 use tree_hash::TreeHash;
@@ -314,7 +314,7 @@ pub enum BlockError<T: EthSpec> {
     BlobValidation(BlobError),
 }
 
-impl <T: EthSpec>From<BlobError> for BlockError<T> {
+impl<T: EthSpec> From<BlobError> for BlockError<T> {
     fn from(e: BlobError) -> Self {
         Self::BlobValidation(e)
     }
@@ -601,10 +601,10 @@ pub fn signature_verify_chain_segment<T: BeaconChainTypes>(
         let mut consensus_context =
             ConsensusContext::new(block.slot()).set_current_block_root(*block_root);
 
-        //FIXME(sean) batch kzg verification
-        let available_block = block.into_available_block(*block_root, chain)?;
+        signature_verifier.include_all_signatures(block.as_block(), &mut consensus_context)?;
 
-        signature_verifier.include_all_signatures(available_block.as_block(), &mut consensus_context)?;
+        //FIXME(sean) batch kzg verification
+        let available_block = block.clone().into_available_block(*block_root, chain)?;
 
         // Save the block and its consensus context. The context will have had its proposer index
         // and attesting indices filled in, which can be used to accelerate later block processing.
diff --git a/beacon_node/http_api/src/publish_blocks.rs b/beacon_node/http_api/src/publish_blocks.rs
index 3a233b957..85bc507b1 100644
--- a/beacon_node/http_api/src/publish_blocks.rs
+++ b/beacon_node/http_api/src/publish_blocks.rs
@@ -1,4 +1,5 @@
 use crate::metrics;
+use beacon_chain::blob_verification::{AsBlock, AvailableBlock, BlockWrapper, IntoAvailableBlock};
 use beacon_chain::validator_monitor::{get_block_delay_ms, timestamp_now};
 use beacon_chain::NotifyExecutionLayer;
 use beacon_chain::{BeaconChain, BeaconChainTypes, BlockError, CountUnrealized};
@@ -9,7 +10,6 @@ use slot_clock::SlotClock;
 use std::sync::Arc;
 use tokio::sync::mpsc::UnboundedSender;
 use tree_hash::TreeHash;
-use types::signed_block_and_blobs::AvailableBlock;
 use types::{
     AbstractExecPayload, BlindedPayload, EthSpec, ExecPayload, ExecutionBlockHash, FullPayload,
     Hash256, SignedBeaconBlock, SignedBeaconBlockAndBlobsSidecar,
@@ -32,7 +32,7 @@ pub async fn publish_block<T: BeaconChainTypes>(
 
     // Send the block, regardless of whether or not it is valid. The API
     // specification is very clear that this is the desired behaviour.
-    let wrapped_block: AvailableBlock<T::EthSpec> =
+    let wrapped_block: BlockWrapper<T::EthSpec> =
         if matches!(block.as_ref(), &SignedBeaconBlock::Eip4844(_)) {
             if let Some(sidecar) = chain.blob_cache.pop(&block_root) {
                 let block_and_blobs = SignedBeaconBlockAndBlobsSidecar {
@@ -56,14 +56,19 @@ pub async fn publish_block<T: BeaconChainTypes>(
         };
 
     // Determine the delay after the start of the slot, register it with metrics.
-    let block = wrapped_block.block();
+    let block = wrapped_block.as_block();
     let delay = get_block_delay_ms(seen_timestamp, block.message(), &chain.slot_clock);
     metrics::observe_duration(&metrics::HTTP_API_BLOCK_BROADCAST_DELAY_TIMES, delay);
 
+    //FIXME(sean) handle errors
+    let available_block = wrapped_block
+        .into_available_block(block_root, &chain)
+        .unwrap();
+
     match chain
         .process_block(
             block_root,
-            wrapped_block.clone(),
+            available_block.clone(),
             CountUnrealized::True,
             NotifyExecutionLayer::Yes,
         )
@@ -75,14 +80,14 @@ pub async fn publish_block<T: BeaconChainTypes>(
                 "Valid block from HTTP API";
                 "block_delay" => ?delay,
                 "root" => format!("{}", root),
-                "proposer_index" => block.message().proposer_index(),
-                "slot" => block.slot(),
+                "proposer_index" => available_block.message().proposer_index(),
+                "slot" => available_block.slot(),
             );
 
             // Notify the validator monitor.
             chain.validator_monitor.read().register_api_block(
                 seen_timestamp,
-                block.message(),
+                available_block.message(),
                 root,
                 &chain.slot_clock,
             );
@@ -104,7 +109,7 @@ pub async fn publish_block<T: BeaconChainTypes>(
                     "Block was broadcast too late";
                     "msg" => "system may be overloaded, block likely to be orphaned",
                     "delay_ms" => delay.as_millis(),
-                    "slot" => block.slot(),
+                    "slot" => available_block.slot(),
                     "root" => ?root,
                 )
             } else if delay >= delayed_threshold {
@@ -113,7 +118,7 @@ pub async fn publish_block<T: BeaconChainTypes>(
                     "Block broadcast was delayed";
                     "msg" => "system may be overloaded, block may be orphaned",
                     "delay_ms" => delay.as_millis(),
-                    "slot" => block.slot(),
+                    "slot" => available_block.slot(),
                     "root" => ?root,
                 )
             }
@@ -124,8 +129,8 @@ pub async fn publish_block<T: BeaconChainTypes>(
             info!(
                 log,
                 "Block from HTTP API already known";
-                "block" => ?block.canonical_root(),
-                "slot" => block.slot(),
+                "block" => ?block_root,
+                "slot" => available_block.slot(),
             );
             Ok(())
         }
diff --git a/beacon_node/network/src/beacon_processor/mod.rs b/beacon_node/network/src/beacon_processor/mod.rs
index 4bf42fd9c..3f3b6986d 100644
--- a/beacon_node/network/src/beacon_processor/mod.rs
+++ b/beacon_node/network/src/beacon_processor/mod.rs
@@ -40,6 +40,7 @@
 
 use crate::sync::manager::BlockProcessType;
 use crate::{metrics, service::NetworkMessage, sync::SyncMessage};
+use beacon_chain::blob_verification::BlockWrapper;
 use beacon_chain::parking_lot::Mutex;
 use beacon_chain::{BeaconChain, BeaconChainTypes, GossipVerifiedBlock, NotifyExecutionLayer};
 use derivative::Derivative;
@@ -62,7 +63,6 @@ use std::time::Duration;
 use std::{cmp, collections::HashSet};
 use task_executor::TaskExecutor;
 use tokio::sync::mpsc;
-use types::signed_block_and_blobs::BlockWrapper;
 use types::{
     Attestation, AttesterSlashing, Hash256, LightClientFinalityUpdate, LightClientOptimisticUpdate,
     ProposerSlashing, SignedAggregateAndProof, SignedBeaconBlock, SignedBeaconBlockAndBlobsSidecar,
diff --git a/beacon_node/network/src/beacon_processor/work_reprocessing_queue.rs b/beacon_node/network/src/beacon_processor/work_reprocessing_queue.rs
index 6f4330055..bf9dfd904 100644
--- a/beacon_node/network/src/beacon_processor/work_reprocessing_queue.rs
+++ b/beacon_node/network/src/beacon_processor/work_reprocessing_queue.rs
@@ -13,6 +13,7 @@
 use super::MAX_SCHEDULED_WORK_QUEUE_LEN;
 use crate::metrics;
 use crate::sync::manager::BlockProcessType;
+use beacon_chain::blob_verification::{AsBlock, BlockWrapper};
 use beacon_chain::{BeaconChainTypes, GossipVerifiedBlock, MAXIMUM_GOSSIP_CLOCK_DISPARITY};
 use fnv::FnvHashMap;
 use futures::task::Poll;
@@ -29,7 +30,6 @@ use task_executor::TaskExecutor;
 use tokio::sync::mpsc::{self, Receiver, Sender};
 use tokio::time::error::Error as TimeError;
 use tokio_util::time::delay_queue::{DelayQueue, Key as DelayKey};
-use types::signed_block_and_blobs::BlockWrapper;
 use types::{Attestation, EthSpec, Hash256, SignedAggregateAndProof, SubnetId};
 
 const TASK_NAME: &str = "beacon_processor_reprocess_queue";
diff --git a/beacon_node/network/src/beacon_processor/worker/gossip_methods.rs b/beacon_node/network/src/beacon_processor/worker/gossip_methods.rs
index 5a085159f..19d82c449 100644
--- a/beacon_node/network/src/beacon_processor/worker/gossip_methods.rs
+++ b/beacon_node/network/src/beacon_processor/worker/gossip_methods.rs
@@ -1,5 +1,6 @@
 use crate::{metrics, service::NetworkMessage, sync::SyncMessage};
 
+use beacon_chain::blob_verification::{AsBlock, BlockWrapper};
 use beacon_chain::store::Error;
 use beacon_chain::{
     attestation_verification::{self, Error as AttnError, VerifiedAttestation},
@@ -18,7 +19,6 @@ use ssz::Encode;
 use std::time::{Duration, SystemTime, UNIX_EPOCH};
 use store::hot_cold_store::HotColdDBError;
 use tokio::sync::mpsc;
-use types::signed_block_and_blobs::BlockWrapper;
 use types::{
     Attestation, AttesterSlashing, EthSpec, Hash256, IndexedAttestation, LightClientFinalityUpdate,
     LightClientOptimisticUpdate, ProposerSlashing, SignedAggregateAndProof,
@@ -726,7 +726,7 @@ impl<T: BeaconChainTypes> Worker<T> {
         let block_root = if let Ok(verified_block) = &verification_result {
             verified_block.block_root
         } else {
-            block.block().canonical_root()
+            block.as_block().canonical_root()
         };
 
         // Write the time the block was observed into delay cache.
diff --git a/beacon_node/network/src/beacon_processor/worker/sync_methods.rs b/beacon_node/network/src/beacon_processor/worker/sync_methods.rs
index 284f96da7..88fcef6b9 100644
--- a/beacon_node/network/src/beacon_processor/worker/sync_methods.rs
+++ b/beacon_node/network/src/beacon_processor/worker/sync_methods.rs
@@ -7,6 +7,7 @@ use crate::beacon_processor::DuplicateCache;
 use crate::metrics;
 use crate::sync::manager::{BlockProcessType, SyncMessage};
 use crate::sync::{BatchProcessResult, ChainId};
+use beacon_chain::blob_verification::{AsBlock, BlockWrapper, IntoAvailableBlock};
 use beacon_chain::CountUnrealized;
 use beacon_chain::{
     BeaconChainError, BeaconChainTypes, BlockError, ChainSegmentResult, HistoricalBlockError,
@@ -16,7 +17,6 @@ use lighthouse_network::PeerAction;
 use slog::{debug, error, info, warn};
 use std::sync::Arc;
 use tokio::sync::mpsc;
-use types::signed_block_and_blobs::BlockWrapper;
 use types::{Epoch, Hash256, SignedBeaconBlock};
 
 /// Id associated to a batch processing request, either a sync batch or a parent lookup.
@@ -85,15 +85,23 @@ impl<T: BeaconChainTypes> Worker<T> {
             }
         };
         let slot = block.slot();
-        let result = self
-            .chain
-            .process_block(
-                block_root,
-                block,
-                CountUnrealized::True,
-                NotifyExecutionLayer::Yes,
-            )
-            .await;
+        let available_block = block
+            .into_available_block(block_root, &self.chain)
+            .map_err(BlockError::BlobValidation);
+
+        let result = match available_block {
+            Ok(block) => {
+                self.chain
+                    .process_block(
+                        block_root,
+                        block,
+                        CountUnrealized::True,
+                        NotifyExecutionLayer::Yes,
+                    )
+                    .await
+            }
+            Err(e) => Err(e),
+        };
 
         metrics::inc_counter(&metrics::BEACON_PROCESSOR_RPC_BLOCK_IMPORTED_TOTAL);
 
diff --git a/beacon_node/network/src/sync/backfill_sync/mod.rs b/beacon_node/network/src/sync/backfill_sync/mod.rs
index ad1bfb1d4..c2dc31cc6 100644
--- a/beacon_node/network/src/sync/backfill_sync/mod.rs
+++ b/beacon_node/network/src/sync/backfill_sync/mod.rs
@@ -14,6 +14,7 @@ use crate::sync::network_context::SyncNetworkContext;
 use crate::sync::range_sync::{
     BatchConfig, BatchId, BatchInfo, BatchOperationOutcome, BatchProcessingResult, BatchState,
 };
+use beacon_chain::blob_verification::BlockWrapper;
 use beacon_chain::{BeaconChain, BeaconChainTypes};
 use lighthouse_network::types::{BackFillState, NetworkGlobals};
 use lighthouse_network::{PeerAction, PeerId};
@@ -24,7 +25,6 @@ use std::collections::{
     HashMap, HashSet,
 };
 use std::sync::Arc;
-use types::signed_block_and_blobs::BlockWrapper;
 use types::{Epoch, EthSpec};
 
 /// Blocks are downloaded in batches from peers. This constant specifies how many epochs worth of
diff --git a/beacon_node/network/src/sync/block_lookups/mod.rs b/beacon_node/network/src/sync/block_lookups/mod.rs
index 84b49e25f..690d56644 100644
--- a/beacon_node/network/src/sync/block_lookups/mod.rs
+++ b/beacon_node/network/src/sync/block_lookups/mod.rs
@@ -2,6 +2,7 @@ use std::collections::hash_map::Entry;
 use std::collections::HashMap;
 use std::time::Duration;
 
+use beacon_chain::blob_verification::{AsBlock, BlockWrapper};
 use beacon_chain::{BeaconChainTypes, BlockError};
 use fnv::FnvHashMap;
 use lighthouse_network::rpc::{RPCError, RPCResponseErrorCode};
@@ -10,7 +11,6 @@ use lru_cache::LRUTimeCache;
 use slog::{debug, error, trace, warn, Logger};
 use smallvec::SmallVec;
 use store::Hash256;
-use types::signed_block_and_blobs::BlockWrapper;
 
 use crate::beacon_processor::{ChainSegmentProcessId, WorkEvent};
 use crate::metrics;
diff --git a/beacon_node/network/src/sync/block_lookups/parent_lookup.rs b/beacon_node/network/src/sync/block_lookups/parent_lookup.rs
index 2aabbb563..b6de52d70 100644
--- a/beacon_node/network/src/sync/block_lookups/parent_lookup.rs
+++ b/beacon_node/network/src/sync/block_lookups/parent_lookup.rs
@@ -1,9 +1,9 @@
 use super::RootBlockTuple;
+use beacon_chain::blob_verification::{AsBlock, BlockWrapper};
 use beacon_chain::BeaconChainTypes;
 use lighthouse_network::PeerId;
 use store::Hash256;
 use strum::IntoStaticStr;
-use types::signed_block_and_blobs::BlockWrapper;
 
 use crate::sync::block_lookups::ForceBlockRequest;
 use crate::sync::{
diff --git a/beacon_node/network/src/sync/block_lookups/single_block_lookup.rs b/beacon_node/network/src/sync/block_lookups/single_block_lookup.rs
index 05df18a0d..0ba08571f 100644
--- a/beacon_node/network/src/sync/block_lookups/single_block_lookup.rs
+++ b/beacon_node/network/src/sync/block_lookups/single_block_lookup.rs
@@ -1,4 +1,5 @@
 use super::RootBlockTuple;
+use beacon_chain::blob_verification::{AsBlock, BlockWrapper};
 use beacon_chain::get_block_root;
 use lighthouse_network::{rpc::BlocksByRootRequest, PeerId};
 use rand::seq::IteratorRandom;
@@ -6,7 +7,6 @@ use ssz_types::VariableList;
 use std::collections::HashSet;
 use store::{EthSpec, Hash256};
 use strum::IntoStaticStr;
-use types::signed_block_and_blobs::BlockWrapper;
 
 /// Object representing a single block lookup request.
 #[derive(PartialEq, Eq)]
@@ -115,7 +115,7 @@ impl<const MAX_ATTEMPTS: u8> SingleBlockRequest<MAX_ATTEMPTS> {
                 Some(block) => {
                     // Compute the block root using this specific function so that we can get timing
                     // metrics.
-                    let block_root = get_block_root(block.block());
+                    let block_root = get_block_root(block.as_block());
                     if block_root != self.hash {
                         // return an error and drop the block
                         // NOTE: we take this is as a download failure to prevent counting the
@@ -205,7 +205,7 @@ impl<const MAX_ATTEMPTS: u8> slog::Value for SingleBlockRequest<MAX_ATTEMPTS> {
 mod tests {
     use super::*;
     use types::test_utils::{SeedableRng, TestRandom, XorShiftRng};
-    use types::MinimalEthSpec as E;
+    use types::{MinimalEthSpec as E, SignedBeaconBlock};
 
     fn rand_block() -> SignedBeaconBlock<E> {
         let mut rng = XorShiftRng::from_seed([42; 16]);
diff --git a/beacon_node/network/src/sync/block_sidecar_coupling.rs b/beacon_node/network/src/sync/block_sidecar_coupling.rs
index a7fd2c833..886c90397 100644
--- a/beacon_node/network/src/sync/block_sidecar_coupling.rs
+++ b/beacon_node/network/src/sync/block_sidecar_coupling.rs
@@ -1,7 +1,7 @@
+use beacon_chain::blob_verification::BlockWrapper;
 use std::{collections::VecDeque, sync::Arc};
 
-use types::signed_block_and_blobs::BlockWrapper;
-use types::{signed_block_and_blobs::AvailableBlock, BlobsSidecar, EthSpec, SignedBeaconBlock};
+use types::{BlobsSidecar, EthSpec, SignedBeaconBlock};
 
 #[derive(Debug, Default)]
 pub struct BlocksAndBlobsRequestInfo<T: EthSpec> {
diff --git a/beacon_node/network/src/sync/manager.rs b/beacon_node/network/src/sync/manager.rs
index 5da203e0e..6b3a7b5de 100644
--- a/beacon_node/network/src/sync/manager.rs
+++ b/beacon_node/network/src/sync/manager.rs
@@ -42,6 +42,7 @@ use crate::beacon_processor::{ChainSegmentProcessId, WorkEvent as BeaconWorkEven
 use crate::service::NetworkMessage;
 use crate::status::ToStatusMessage;
 use crate::sync::range_sync::ByRangeRequestType;
+use beacon_chain::blob_verification::{AsBlock, BlockWrapper};
 use beacon_chain::{BeaconChain, BeaconChainTypes, BlockError, EngineState};
 use futures::StreamExt;
 use lighthouse_network::rpc::methods::MAX_REQUEST_BLOCKS;
@@ -55,7 +56,6 @@ use std::ops::Sub;
 use std::sync::Arc;
 use std::time::Duration;
 use tokio::sync::mpsc;
-use types::signed_block_and_blobs::BlockWrapper;
 use types::{
     BlobsSidecar, EthSpec, Hash256, SignedBeaconBlock, SignedBeaconBlockAndBlobsSidecar, Slot,
 };
diff --git a/beacon_node/network/src/sync/network_context.rs b/beacon_node/network/src/sync/network_context.rs
index c54b3b1a9..2a0f2ea95 100644
--- a/beacon_node/network/src/sync/network_context.rs
+++ b/beacon_node/network/src/sync/network_context.rs
@@ -8,6 +8,7 @@ use crate::beacon_processor::WorkEvent;
 use crate::service::{NetworkMessage, RequestId};
 use crate::status::ToStatusMessage;
 use crate::sync::block_lookups::ForceBlockRequest;
+use beacon_chain::blob_verification::BlockWrapper;
 use beacon_chain::{BeaconChain, BeaconChainTypes, EngineState};
 use fnv::FnvHashMap;
 use lighthouse_network::rpc::methods::BlobsByRangeRequest;
@@ -17,7 +18,6 @@ use slog::{debug, trace, warn};
 use std::collections::hash_map::Entry;
 use std::sync::Arc;
 use tokio::sync::mpsc;
-use types::signed_block_and_blobs::BlockWrapper;
 use types::{BlobsSidecar, EthSpec, SignedBeaconBlock};
 
 /// Wraps a Network channel to employ various RPC related network functionality for the Sync manager. This includes management of a global RPC request Id.
diff --git a/beacon_node/network/src/sync/range_sync/batch.rs b/beacon_node/network/src/sync/range_sync/batch.rs
index 184dcffc4..dda22dcfa 100644
--- a/beacon_node/network/src/sync/range_sync/batch.rs
+++ b/beacon_node/network/src/sync/range_sync/batch.rs
@@ -1,11 +1,11 @@
 use crate::sync::manager::Id;
+use beacon_chain::blob_verification::{AsBlock, BlockWrapper};
 use lighthouse_network::rpc::methods::BlocksByRangeRequest;
 use lighthouse_network::PeerId;
 use std::collections::HashSet;
 use std::hash::{Hash, Hasher};
 use std::ops::Sub;
 use strum::Display;
-use types::signed_block_and_blobs::BlockWrapper;
 use types::{Epoch, EthSpec, Slot};
 
 /// The number of times to retry a batch before it is considered failed.
diff --git a/beacon_node/network/src/sync/range_sync/chain.rs b/beacon_node/network/src/sync/range_sync/chain.rs
index d60de3224..ea78cd3c5 100644
--- a/beacon_node/network/src/sync/range_sync/chain.rs
+++ b/beacon_node/network/src/sync/range_sync/chain.rs
@@ -3,6 +3,7 @@ use crate::beacon_processor::{ChainSegmentProcessId, WorkEvent as BeaconWorkEven
 use crate::sync::{
     manager::Id, network_context::SyncNetworkContext, BatchOperationOutcome, BatchProcessResult,
 };
+use beacon_chain::blob_verification::BlockWrapper;
 use beacon_chain::{BeaconChainTypes, CountUnrealized};
 use fnv::FnvHashMap;
 use lighthouse_network::{PeerAction, PeerId};
@@ -10,7 +11,6 @@ use rand::seq::SliceRandom;
 use slog::{crit, debug, o, warn};
 use std::collections::{btree_map::Entry, BTreeMap, HashSet};
 use std::hash::{Hash, Hasher};
-use types::signed_block_and_blobs::BlockWrapper;
 use types::{Epoch, EthSpec, Hash256, Slot};
 
 /// Blocks are downloaded in batches from peers. This constant specifies how many epochs worth of
diff --git a/beacon_node/network/src/sync/range_sync/range.rs b/beacon_node/network/src/sync/range_sync/range.rs
index 09d93b0e8..e3fceef66 100644
--- a/beacon_node/network/src/sync/range_sync/range.rs
+++ b/beacon_node/network/src/sync/range_sync/range.rs
@@ -47,6 +47,7 @@ use crate::status::ToStatusMessage;
 use crate::sync::manager::Id;
 use crate::sync::network_context::SyncNetworkContext;
 use crate::sync::BatchProcessResult;
+use beacon_chain::blob_verification::BlockWrapper;
 use beacon_chain::{BeaconChain, BeaconChainTypes};
 use lighthouse_network::rpc::GoodbyeReason;
 use lighthouse_network::PeerId;
@@ -55,7 +56,6 @@ use lru_cache::LRUTimeCache;
 use slog::{crit, debug, trace, warn};
 use std::collections::HashMap;
 use std::sync::Arc;
-use types::signed_block_and_blobs::BlockWrapper;
 use types::{Epoch, EthSpec, Hash256, Slot};
 
 /// For how long we store failed finalized chains to prevent retries.