diff --git a/churner/churner.go b/churner/churner.go
index d11ae7147c..0d6d7ace9c 100644
--- a/churner/churner.go
+++ b/churner/churner.go
@@ -47,7 +47,7 @@ type churner struct {
 	mu          sync.Mutex
 	Indexer     thegraph.IndexedChainState
 	Transactor  core.Transactor
-	QuorumCount uint16
+	QuorumCount uint8
 
 	privateKey *ecdsa.PrivateKey
 	logger     common.Logger
diff --git a/churner/server_test.go b/churner/server_test.go
index 377b7ddc18..3222f35f93 100644
--- a/churner/server_test.go
+++ b/churner/server_test.go
@@ -118,7 +118,7 @@ func setupMockTransactor() {
 	transactorMock.On("OperatorIDToAddress").Return(operatorAddr, nil)
 	transactorMock.On("GetCurrentQuorumBitmapByOperatorId").Return(big.NewInt(2), nil)
 	transactorMock.On("GetCurrentBlockNumber").Return(uint32(2), nil)
-	transactorMock.On("GetQuorumCount").Return(uint16(1), nil)
+	transactorMock.On("GetQuorumCount").Return(uint8(1), nil)
 	transactorMock.On("GetOperatorStakesForQuorums").Return(dacore.OperatorStakes{
 		0: {
 			0: {
diff --git a/churner/tests/churner_test.go b/churner/tests/churner_test.go
index c69dd749a4..1f30206718 100644
--- a/churner/tests/churner_test.go
+++ b/churner/tests/churner_test.go
@@ -2,9 +2,11 @@ package test
 
 import (
 	"context"
+	"crypto/rand"
 	"flag"
 	"fmt"
 	"log"
+	"math/big"
 	"os"
 	"testing"
 
@@ -102,7 +104,20 @@ func TestChurner(t *testing.T) {
 	keyPair, err := dacore.GenRandomBlsKeys()
 	assert.NoError(t, err)
 
-	err = operatorTransactor.RegisterBLSPublicKey(ctx, keyPair)
+	quorumIds_ := make([]uint8, len(quorumIds))
+	for i, q := range quorumIds {
+		quorumIds_[i] = uint8(q)
+	}
+
+	operatorSalt := [32]byte{}
+	_, err = rand.Read(operatorSalt[:])
+	assert.NoError(t, err)
+
+	expiry := big.NewInt(1000)
+	privKey, err := crypto.GenerateKey()
+	assert.NoError(t, err)
+
+	err = operatorTransactor.RegisterOperator(ctx, keyPair, "socket", quorumIds_, privKey, operatorSalt, expiry)
 	assert.NoError(t, err)
 
 	server := newTestServer(t)
diff --git a/disperser/apiserver/server.go b/disperser/apiserver/server.go
index 783ee8a959..3888d4b17e 100644
--- a/disperser/apiserver/server.go
+++ b/disperser/apiserver/server.go
@@ -38,7 +38,7 @@ type DispersalServer struct {
 
 	blobStore   disperser.BlobStore
 	tx          core.Transactor
-	quorumCount uint16
+	quorumCount uint8
 
 	rateConfig    RateConfig
 	ratelimiter   common.RateLimiter
@@ -177,13 +177,13 @@ func (s *DispersalServer) disperseBlob(ctx context.Context, blob *core.Blob) (*p
 		}
 		seenQuorums[param.QuorumID] = struct{}{}
 
-		if uint16(param.QuorumID) >= s.quorumCount {
+		if param.QuorumID >= s.quorumCount {
 			err := s.updateQuorumCount(ctx)
 			if err != nil {
 				return nil, fmt.Errorf("failed to get onchain quorum count: %w", err)
 			}
 
-			if uint16(param.QuorumID) >= s.quorumCount {
+			if param.QuorumID >= s.quorumCount {
 				return nil, fmt.Errorf("invalid request: the quorum_id must be in range [0, %d], but found %d", s.quorumCount-1, param.QuorumID)
 			}
 		}
diff --git a/disperser/apiserver/server_test.go b/disperser/apiserver/server_test.go
index 3df211b0bb..190fa1708a 100644
--- a/disperser/apiserver/server_test.go
+++ b/disperser/apiserver/server_test.go
@@ -310,8 +310,8 @@ func TestRatelimit(t *testing.T) {
 	})
 	assert.ErrorContains(t, err, "account throughput limit")
 
-	// Try with non-allowlisted IP. Should fail with account blob limit because blob rate (3 blobs/s) X bucket size (3s) is smaller than 10 blobs.
-	for i := 0; i < 10; i++ {
+	// Try with non-allowlisted IP. Should fail with account blob limit because blob rate (3 blobs/s) X bucket size (3s) is smaller than 20 blobs.
+	for i := 0; i < 20; i++ {
 		_, err = dispersalServer.DisperseBlob(ctx, &pb.DisperseBlobRequest{
 			Data: data1KiB,
 			SecurityParams: []*pb.SecurityParams{
@@ -463,7 +463,7 @@ func newTestServer(m *testing.M) *apiserver.DispersalServer {
 	queue = blobstore.NewSharedStorage(bucketName, s3Client, blobMetadataStore, logger)
 	tx := &mock.MockTransactor{}
 	tx.On("GetCurrentBlockNumber").Return(uint32(100), nil)
-	tx.On("GetQuorumCount").Return(uint16(2), nil)
+	tx.On("GetQuorumCount").Return(uint8(2), nil)
 
 	return apiserver.NewDispersalServer(disperser.ServerConfig{
 		GrpcPort: "51001",
diff --git a/disperser/batcher/batcher.go b/disperser/batcher/batcher.go
index ffd2eed7da..39353d6422 100644
--- a/disperser/batcher/batcher.go
+++ b/disperser/batcher/batcher.go
@@ -486,21 +486,21 @@ func (b *Batcher) parseBatchIDFromReceipt(ctx context.Context, txReceipt *types.
 		if log.Topics[0] == common.BatchConfirmedEventSigHash {
 			smAbi, err := abi.JSON(bytes.NewReader(common.ServiceManagerAbi))
 			if err != nil {
-				return 0, err
+				return 0, fmt.Errorf("failed to parse ServiceManager ABI: %w", err)
 			}
 			eventAbi, err := smAbi.EventByID(common.BatchConfirmedEventSigHash)
 			if err != nil {
-				return 0, err
+				return 0, fmt.Errorf("failed to parse BatchConfirmed event ABI: %w", err)
 			}
 			unpackedData, err := eventAbi.Inputs.Unpack(log.Data)
 			if err != nil {
-				return 0, err
+				return 0, fmt.Errorf("failed to unpack BatchConfirmed log data: %w", err)
 			}
 
-			// There should be exactly two inputs in the data field, batchId and fee.
-			// ref: https://github.com/Layr-Labs/eigenda/blob/master/contracts/src/interfaces/IEigenDAServiceManager.sol#L20
-			if len(unpackedData) != 2 {
-				return 0, fmt.Errorf("BatchConfirmed log should contain exactly 2 inputs. Found %d", len(unpackedData))
+			// There should be exactly one input in the data field, batchId.
+			// Labs/eigenda/blob/master/contracts/src/interfaces/IEigenDAServiceManager.sol#L17
+			if len(unpackedData) != 1 {
+				return 0, fmt.Errorf("BatchConfirmed log should contain exactly 1 inputs. Found %d", len(unpackedData))
 			}
 			return unpackedData[0].(uint32), nil
 		}
diff --git a/node/node.go b/node/node.go
index 23ead4dd91..3f8fd3036a 100644
--- a/node/node.go
+++ b/node/node.go
@@ -12,6 +12,8 @@ import (
 
 	"github.com/Layr-Labs/eigenda/common/pubip"
 	gethcommon "github.com/ethereum/go-ethereum/common"
+	"github.com/ethereum/go-ethereum/crypto"
+	"github.com/prometheus/client_golang/prometheus"
 
 	"github.com/Layr-Labs/eigenda/api/grpc/node"
 	"github.com/Layr-Labs/eigenda/common"
@@ -21,6 +23,7 @@ import (
 	"github.com/Layr-Labs/eigenda/core/eth"
 	"github.com/Layr-Labs/eigenda/core/indexer"
 	"github.com/Layr-Labs/eigensdk-go/chainio/constructor"
+	"github.com/Layr-Labs/eigensdk-go/metrics"
 	"github.com/Layr-Labs/eigensdk-go/metrics/collectors/economic"
 	rpccalls "github.com/Layr-Labs/eigensdk-go/metrics/collectors/rpc_calls"
 	"github.com/Layr-Labs/eigensdk-go/nodeapi"
@@ -62,12 +65,16 @@ type Node struct {
 // NewNode creates a new Node with the provided config.
 func NewNode(config *Config, pubIPProvider pubip.Provider, logger common.Logger) (*Node, error) {
 	// Setup metrics
-	sdkClients, err := buildSdkClients(config, logger)
-	if err != nil {
-		return nil, err
-	}
-	metrics := NewMetrics(sdkClients.Metrics, sdkClients.PrometheusRegistry, logger, ":"+config.MetricsPort)
-	rpcCallsCollector := rpccalls.NewCollector(AppName, sdkClients.PrometheusRegistry)
+	// sdkClients, err := buildSdkClients(config, logger)
+	// if err != nil {
+	// 	return nil, err
+	// }
+
+	promReg := prometheus.NewRegistry()
+	eigenMetrics := metrics.NewEigenMetrics(AppName, ":"+config.MetricsPort, promReg, logger)
+
+	metrics := NewMetrics(eigenMetrics, promReg, logger, ":"+config.MetricsPort)
+	rpcCallsCollector := rpccalls.NewCollector(AppName, promReg)
 
 	// Generate BLS keys
 	keyPair, err := core.MakeKeyPairFromString(config.PrivateBls)
@@ -183,14 +190,19 @@ func (n *Node) Start(ctx context.Context) error {
 			n.Config.ID, "hostname", n.Config.Hostname, "dispersalPort", n.Config.DispersalPort,
 			"retrievalPort", n.Config.RetrievalPort, "churnerUrl", n.Config.ChurnerUrl, "quorumIds", n.Config.QuorumIDList)
 		socket := string(core.MakeOperatorSocket(n.Config.Hostname, n.Config.DispersalPort, n.Config.RetrievalPort))
+		privateKey, err := crypto.HexToECDSA(n.Config.EthClientConfig.PrivateKeyString)
+		if err != nil {
+			return fmt.Errorf("NewClient: cannot parse private key: %w", err)
+		}
 		operator := &Operator{
 			Socket:     socket,
 			Timeout:    10 * time.Second,
+			PrivKey:    privateKey,
 			KeyPair:    n.KeyPair,
 			OperatorId: n.Config.ID,
 			QuorumIDs:  n.Config.QuorumIDList,
 		}
-		err := RegisterOperator(ctx, operator, n.Transactor, n.Config.ChurnerUrl, n.Config.UseSecureGrpc, n.Logger)
+		err = RegisterOperator(ctx, operator, n.Transactor, n.Config.ChurnerUrl, n.Config.UseSecureGrpc, n.Logger)
 		if err != nil {
 			return fmt.Errorf("failed to register the operator: %w", err)
 		}
diff --git a/node/operator.go b/node/operator.go
index 456dabdbe1..108bef0159 100644
--- a/node/operator.go
+++ b/node/operator.go
@@ -2,9 +2,11 @@ package node
 
 import (
 	"context"
+	"crypto/ecdsa"
 	"crypto/tls"
 	"errors"
 	"fmt"
+	"math/big"
 	"time"
 
 	grpcchurner "github.com/Layr-Labs/eigenda/api/grpc/churner"
@@ -20,6 +22,7 @@ import (
 type Operator struct {
 	Socket     string
 	Timeout    time.Duration
+	PrivKey    *ecdsa.PrivateKey
 	KeyPair    *core.KeyPair
 	OperatorId core.OperatorID
 	QuorumIDs  []core.QuorumID
@@ -37,12 +40,6 @@ func RegisterOperator(ctx context.Context, operator *Operator, transactor core.T
 		return nil
 	}
 
-	// if the operator is not registered, we may need to register the BLSPublicKey
-	err = transactor.RegisterBLSPublicKey(ctx, operator.KeyPair)
-	if err != nil {
-		return fmt.Errorf("failed to register the nodes bls public key: %w", err)
-	}
-
 	logger.Info("Quorums to register for", "quorums", operator.QuorumIDs)
 
 	if len(operator.QuorumIDs) == 0 {
@@ -72,6 +69,15 @@ func RegisterOperator(ctx context.Context, operator *Operator, transactor core.T
 
 	logger.Info("Should call churner", "shouldCallChurner", shouldCallChurner)
 
+	// Generate salt and expiry
+
+	privateKeyBytes := []byte(operator.KeyPair.PrivKey.String())
+	salt := [32]byte{}
+	copy(salt[:], crypto.Keccak256([]byte("churn"), []byte(time.Now().String()), operator.QuorumIDs[:], privateKeyBytes))
+
+	// Get the current block number
+	expiry := big.NewInt((time.Now().Add(10 * time.Minute)).Unix())
+
 	// if we should call the churner, call it
 	if shouldCallChurner {
 		churnReply, err := requestChurnApproval(ctx, operator, churnerUrl, useSecureGrpc, logger)
@@ -79,10 +85,10 @@ func RegisterOperator(ctx context.Context, operator *Operator, transactor core.T
 			return fmt.Errorf("failed to request churn approval: %w", err)
 		}
 
-		return transactor.RegisterOperatorWithChurn(ctx, operator.KeyPair.PubKey, operator.Socket, operator.QuorumIDs, churnReply)
+		return transactor.RegisterOperatorWithChurn(ctx, operator.KeyPair, operator.Socket, operator.QuorumIDs, operator.PrivKey, salt, expiry, churnReply)
 	} else {
 		// other wise just register normally
-		return transactor.RegisterOperator(ctx, operator.KeyPair.PubKey, operator.Socket, operator.QuorumIDs)
+		return transactor.RegisterOperator(ctx, operator.KeyPair, operator.Socket, operator.QuorumIDs, operator.PrivKey, salt, expiry)
 	}
 }
 
diff --git a/node/plugin/cmd/main.go b/node/plugin/cmd/main.go
index e3fbe59edd..a85c4382ab 100644
--- a/node/plugin/cmd/main.go
+++ b/node/plugin/cmd/main.go
@@ -118,6 +118,7 @@ func pluginOps(ctx *cli.Context) {
 	operator := &node.Operator{
 		Socket:     socket,
 		Timeout:    10 * time.Second,
+		PrivKey:    sk.PrivateKey,
 		KeyPair:    keyPair,
 		OperatorId: keyPair.GetPubKeyG1().GetOperatorID(),
 		QuorumIDs:  config.QuorumIDList,