diff --git a/cl/pool/operation_pool.go b/cl/pool/operation_pool.go
new file mode 100644
index 00000000000..0aa8fc3ed61
--- /dev/null
+++ b/cl/pool/operation_pool.go
@@ -0,0 +1,32 @@
+package pool
+
+import (
+	libcommon "github.com/ledgerwatch/erigon-lib/common"
+	"github.com/ledgerwatch/erigon/cl/phase1/core/state/lru"
+)
+
+var operationsMultiplier = 10 // Cap the amount of cached element to max_operations_per_block * operations_multiplier
+
+type OperationPool[T any] struct {
+	pool *lru.Cache[libcommon.Bytes96, T] // Map the Signature to the underlying object
+}
+
+func NewOperationPool[T any](maxOperationsPerBlock int, matricName string) *OperationPool[T] {
+	pool, err := lru.New[libcommon.Bytes96, T](matricName, maxOperationsPerBlock*operationsMultiplier)
+	if err != nil {
+		panic(err)
+	}
+	return &OperationPool[T]{pool: pool}
+}
+
+func (o *OperationPool[T]) Insert(signature libcommon.Bytes96, operation T) {
+	o.pool.Add(signature, operation)
+}
+
+func (o *OperationPool[T]) DeleteIfExist(signature libcommon.Bytes96) (removed bool) {
+	return o.pool.Remove(signature)
+}
+
+func (o *OperationPool[T]) Raw() []T {
+	return o.pool.Values()
+}
diff --git a/cl/pool/operations_pool.go b/cl/pool/operations_pool.go
new file mode 100644
index 00000000000..8b6ab64db11
--- /dev/null
+++ b/cl/pool/operations_pool.go
@@ -0,0 +1,43 @@
+package pool
+
+import (
+	libcommon "github.com/ledgerwatch/erigon-lib/common"
+	"github.com/ledgerwatch/erigon/cl/clparams"
+	"github.com/ledgerwatch/erigon/cl/cltypes"
+	"github.com/ledgerwatch/erigon/cl/cltypes/solid"
+	"github.com/ledgerwatch/erigon/cl/utils"
+)
+
+// DoubleSignatureKey uses blake2b algorithm to merge two signatures together. blake2 is faster than sha3.
+func doubleSignatureKey(one, two libcommon.Bytes96) (out libcommon.Bytes96) {
+	res := utils.Keccak256(one[:], two[:])
+	copy(out[:], res[:])
+	return
+}
+
+func ComputeKeyForProposerSlashing(slashing *cltypes.ProposerSlashing) libcommon.Bytes96 {
+	return doubleSignatureKey(slashing.Header1.Signature, slashing.Header2.Signature)
+}
+
+func ComputeKeyForAttesterSlashing(slashing *cltypes.AttesterSlashing) libcommon.Bytes96 {
+	return doubleSignatureKey(slashing.Attestation_1.Signature, slashing.Attestation_2.Signature)
+}
+
+// OperationsPool is the collection of all gossip-collectable operations.
+type OperationsPool struct {
+	AttestationsPool          *OperationPool[*solid.Attestation]
+	AttesterSlashingsPool     *OperationPool[*cltypes.AttesterSlashing]
+	ProposerSlashingsPool     *OperationPool[*cltypes.ProposerSlashing]
+	BLSToExecutionChangesPool *OperationPool[*cltypes.SignedBLSToExecutionChange]
+	VoluntaryExistsPool       *OperationPool[*cltypes.SignedVoluntaryExit]
+}
+
+func NewOperationsPool(beaconCfg *clparams.BeaconChainConfig) OperationsPool {
+	return OperationsPool{
+		AttestationsPool:          NewOperationPool[*solid.Attestation](int(beaconCfg.MaxAttestations), "attestationsPool"),
+		AttesterSlashingsPool:     NewOperationPool[*cltypes.AttesterSlashing](int(beaconCfg.MaxAttestations), "attesterSlashingsPool"),
+		ProposerSlashingsPool:     NewOperationPool[*cltypes.ProposerSlashing](int(beaconCfg.MaxAttestations), "proposerSlashingsPool"),
+		BLSToExecutionChangesPool: NewOperationPool[*cltypes.SignedBLSToExecutionChange](int(beaconCfg.MaxBlsToExecutionChanges), "blsExecutionChangesPool"),
+		VoluntaryExistsPool:       NewOperationPool[*cltypes.SignedVoluntaryExit](int(beaconCfg.MaxBlsToExecutionChanges), "voluntaryExitsPool"),
+	}
+}
diff --git a/cl/pool/operations_pool_test.go b/cl/pool/operations_pool_test.go
new file mode 100644
index 00000000000..865df13df65
--- /dev/null
+++ b/cl/pool/operations_pool_test.go
@@ -0,0 +1,71 @@
+package pool
+
+import (
+	"testing"
+
+	"github.com/ledgerwatch/erigon/cl/clparams"
+	"github.com/ledgerwatch/erigon/cl/cltypes"
+	"github.com/ledgerwatch/erigon/cl/cltypes/solid"
+	"github.com/stretchr/testify/require"
+)
+
+func TestOperationsPool(t *testing.T) {
+	pools := NewOperationsPool(&clparams.MainnetBeaconConfig)
+
+	// AttestationsPool
+	pools.AttestationsPool.Insert([96]byte{}, &solid.Attestation{})
+	pools.AttestationsPool.Insert([96]byte{1}, &solid.Attestation{})
+	require.Equal(t, 2, len(pools.AttestationsPool.Raw()))
+	require.True(t, pools.AttestationsPool.DeleteIfExist([96]byte{}))
+	require.Equal(t, 1, len(pools.AttestationsPool.Raw()))
+	// ProposerSlashingsPool
+	slashing1 := &cltypes.ProposerSlashing{
+		Header1: &cltypes.SignedBeaconBlockHeader{
+			Signature: [96]byte{1},
+		},
+		Header2: &cltypes.SignedBeaconBlockHeader{
+			Signature: [96]byte{2},
+		},
+	}
+	slashing2 := &cltypes.ProposerSlashing{
+		Header1: &cltypes.SignedBeaconBlockHeader{
+			Signature: [96]byte{3},
+		},
+		Header2: &cltypes.SignedBeaconBlockHeader{
+			Signature: [96]byte{4},
+		},
+	}
+	pools.ProposerSlashingsPool.Insert(ComputeKeyForProposerSlashing(slashing1), slashing1)
+	pools.ProposerSlashingsPool.Insert(ComputeKeyForProposerSlashing(slashing2), slashing2)
+	require.True(t, pools.ProposerSlashingsPool.DeleteIfExist(ComputeKeyForProposerSlashing(slashing2)))
+	// AttesterSlashingsPool
+	attesterSlashing1 := &cltypes.AttesterSlashing{
+		Attestation_1: &cltypes.IndexedAttestation{
+			Signature: [96]byte{1},
+		},
+		Attestation_2: &cltypes.IndexedAttestation{
+			Signature: [96]byte{2},
+		},
+	}
+	attesterSlashing2 := &cltypes.AttesterSlashing{
+		Attestation_1: &cltypes.IndexedAttestation{
+			Signature: [96]byte{3},
+		},
+		Attestation_2: &cltypes.IndexedAttestation{
+			Signature: [96]byte{4},
+		},
+	}
+	pools.AttesterSlashingsPool.Insert(ComputeKeyForAttesterSlashing(attesterSlashing1), attesterSlashing1)
+	pools.AttesterSlashingsPool.Insert(ComputeKeyForAttesterSlashing(attesterSlashing2), attesterSlashing2)
+	require.True(t, pools.AttesterSlashingsPool.DeleteIfExist(ComputeKeyForAttesterSlashing(attesterSlashing2)))
+	require.Equal(t, 1, len(pools.AttesterSlashingsPool.Raw()))
+
+	// BLSToExecutionChangesPool
+	pools.BLSToExecutionChangesPool.Insert([96]byte{}, &cltypes.SignedBLSToExecutionChange{})
+	pools.BLSToExecutionChangesPool.Insert([96]byte{1}, &cltypes.SignedBLSToExecutionChange{})
+	require.Equal(t, 2, len(pools.BLSToExecutionChangesPool.Raw()))
+	require.True(t, pools.BLSToExecutionChangesPool.DeleteIfExist([96]byte{}))
+	require.Equal(t, 1, len(pools.BLSToExecutionChangesPool.Raw()))
+
+	require.Equal(t, 1, len(pools.ProposerSlashingsPool.Raw()))
+}
diff --git a/erigon-lib/downloader/downloader.go b/erigon-lib/downloader/downloader.go
index d9cf831d7aa..44d59731570 100644
--- a/erigon-lib/downloader/downloader.go
+++ b/erigon-lib/downloader/downloader.go
@@ -235,7 +235,13 @@ func (d *Downloader) mainLoop(silent bool) error {
 					}
 				}(t)
 			}
-			time.Sleep(10 * time.Second)
+			timer := time.NewTimer(10 * time.Second)
+			defer timer.Stop()
+			select {
+			case <-d.ctx.Done():
+				return
+			case <-timer.C:
+			}
 		}
 	}()