diff --git a/pkg/innerring/contracts.go b/pkg/innerring/contracts.go
index 094c65d1b6..4cac918302 100644
--- a/pkg/innerring/contracts.go
+++ b/pkg/innerring/contracts.go
@@ -63,7 +63,7 @@ func parseContracts(cfg *viper.Viper, morph *client.Client, withoutMainNet, with
 		{"contracts.audit", client.NNSAuditContractName, &result.audit},
 		{"contracts.reputation", client.NNSReputationContractName, &result.reputation},
 		{"contracts.subnet", client.NNSSubnetworkContractName, &result.subnet},
-		{"contracts.frostfsid", client.NNSNeoFSIDContractName, &result.frostfsID},
+		{"contracts.frostfsid", client.NNSFrostFSIDContractName, &result.frostfsID},
 	}
 
 	for _, t := range targets {
diff --git a/pkg/innerring/innerring.go b/pkg/innerring/innerring.go
index 69dfed1d01..fa56315c53 100644
--- a/pkg/innerring/innerring.go
+++ b/pkg/innerring/innerring.go
@@ -670,7 +670,7 @@ func New(ctx context.Context, log *logger.Logger, cfg *viper.Viper, errChan chan
 		// create governance processor
 		governanceProcessor, err := governance.New(&governance.Params{
 			Log:            log,
-			NeoFSClient:    frostfsCli,
+			FrostFSClient:  frostfsCli,
 			NetmapClient:   server.netmapClient,
 			AlphabetState:  server,
 			EpochState:     server,
@@ -743,7 +743,7 @@ func New(ctx context.Context, log *logger.Logger, cfg *viper.Viper, errChan chan
 		PoolSize:        cfg.GetInt("workers.container"),
 		AlphabetState:   server,
 		ContainerClient: cnrClient,
-		NeoFSIDClient:   frostfsIDClient,
+		FrostFSIDClient: frostfsIDClient,
 		NetworkState:    server.netmapClient,
 		NotaryDisabled:  server.sideNotaryConfig.disabled,
 		SubnetClient:    subnetClient,
@@ -761,7 +761,7 @@ func New(ctx context.Context, log *logger.Logger, cfg *viper.Viper, errChan chan
 	balanceProcessor, err := balance.New(&balance.Params{
 		Log:           log,
 		PoolSize:      cfg.GetInt("workers.balance"),
-		NeoFSClient:   frostfsCli,
+		FrostFSClient: frostfsCli,
 		BalanceSC:     server.contracts.balance,
 		AlphabetState: server,
 		Converter:     &server.precision,
@@ -780,8 +780,8 @@ func New(ctx context.Context, log *logger.Logger, cfg *viper.Viper, errChan chan
 		frostfsProcessor, err := frostfs.New(&frostfs.Params{
 			Log:                 log,
 			PoolSize:            cfg.GetInt("workers.frostfs"),
-			NeoFSContract:       server.contracts.frostfs,
-			NeoFSIDClient:       frostfsIDClient,
+			FrostFSContract:     server.contracts.frostfs,
+			FrostFSIDClient:     frostfsIDClient,
 			BalanceClient:       server.balanceClient,
 			NetmapClient:        server.netmapClient,
 			MorphClient:         server.morphClient,
diff --git a/pkg/innerring/processors/balance/process_assets.go b/pkg/innerring/processors/balance/process_assets.go
index 68d7c8dc2c..197ce5550b 100644
--- a/pkg/innerring/processors/balance/process_assets.go
+++ b/pkg/innerring/processors/balance/process_assets.go
@@ -22,7 +22,7 @@ func (bp *Processor) processLock(lock *balanceEvent.Lock) {
 	prm.SetLock(lock.LockAccount())
 	prm.SetHash(lock.TxHash())
 
-	err := bp.neofsClient.Cheque(prm)
+	err := bp.frostfsClient.Cheque(prm)
 	if err != nil {
 		bp.log.Error("can't send lock asset tx", zap.Error(err))
 	}
diff --git a/pkg/innerring/processors/balance/processor.go b/pkg/innerring/processors/balance/processor.go
index 73eebbd931..b4a4d7498d 100644
--- a/pkg/innerring/processors/balance/processor.go
+++ b/pkg/innerring/processors/balance/processor.go
@@ -28,7 +28,7 @@ type (
 	Processor struct {
 		log           *logger.Logger
 		pool          *ants.Pool
-		neofsClient   *frostfscontract.Client
+		frostfsClient *frostfscontract.Client
 		balanceSC     util.Uint160
 		alphabetState AlphabetState
 		converter     PrecisionConverter
@@ -38,7 +38,7 @@ type (
 	Params struct {
 		Log           *logger.Logger
 		PoolSize      int
-		NeoFSClient   *frostfscontract.Client
+		FrostFSClient *frostfscontract.Client
 		BalanceSC     util.Uint160
 		AlphabetState AlphabetState
 		Converter     PrecisionConverter
@@ -70,7 +70,7 @@ func New(p *Params) (*Processor, error) {
 	return &Processor{
 		log:           p.Log,
 		pool:          pool,
-		neofsClient:   p.NeoFSClient,
+		frostfsClient: p.FrostFSClient,
 		balanceSC:     p.BalanceSC,
 		alphabetState: p.AlphabetState,
 		converter:     p.Converter,
diff --git a/pkg/innerring/processors/container/processor.go b/pkg/innerring/processors/container/processor.go
index b8cc3c8b2a..a916cc0342 100644
--- a/pkg/innerring/processors/container/processor.go
+++ b/pkg/innerring/processors/container/processor.go
@@ -39,7 +39,7 @@ type (
 		PoolSize        int
 		AlphabetState   AlphabetState
 		ContainerClient *container.Client
-		NeoFSIDClient   *frostfsid.Client
+		FrostFSIDClient *frostfsid.Client
 		SubnetClient    *morphsubnet.Client
 		NetworkState    NetworkState
 		NotaryDisabled  bool
@@ -80,7 +80,7 @@ func New(p *Params) (*Processor, error) {
 		return nil, errors.New("ir/container: global state is not set")
 	case p.ContainerClient == nil:
 		return nil, errors.New("ir/container: Container client is not set")
-	case p.NeoFSIDClient == nil:
+	case p.FrostFSIDClient == nil:
 		return nil, errors.New("ir/container: NeoFS ID client is not set")
 	case p.NetworkState == nil:
 		return nil, errors.New("ir/container: network state is not set")
@@ -100,7 +100,7 @@ func New(p *Params) (*Processor, error) {
 		pool:           pool,
 		alphabetState:  p.AlphabetState,
 		cnrClient:      p.ContainerClient,
-		idClient:       p.NeoFSIDClient,
+		idClient:       p.FrostFSIDClient,
 		netState:       p.NetworkState,
 		notaryDisabled: p.NotaryDisabled,
 		subnetClient:   p.SubnetClient,
diff --git a/pkg/innerring/processors/frostfs/processor.go b/pkg/innerring/processors/frostfs/processor.go
index 126343940b..ff9eeb958d 100644
--- a/pkg/innerring/processors/frostfs/processor.go
+++ b/pkg/innerring/processors/frostfs/processor.go
@@ -59,8 +59,8 @@ type (
 	Params struct {
 		Log                 *logger.Logger
 		PoolSize            int
-		NeoFSContract       util.Uint160
-		NeoFSIDClient       *frostfsid.Client
+		FrostFSContract     util.Uint160
+		FrostFSIDClient     *frostfsid.Client
 		BalanceClient       *balance.Client
 		NetmapClient        *nmClient.Client
 		MorphClient         *client.Client
@@ -113,7 +113,7 @@ func New(p *Params) (*Processor, error) {
 	return &Processor{
 		log:                 p.Log,
 		pool:                pool,
-		frostfsContract:     p.NeoFSContract,
+		frostfsContract:     p.FrostFSContract,
 		balanceClient:       p.BalanceClient,
 		netmapClient:        p.NetmapClient,
 		morphClient:         p.MorphClient,
@@ -126,7 +126,7 @@ func New(p *Params) (*Processor, error) {
 		mintEmitValue:       p.MintEmitValue,
 		gasBalanceThreshold: p.GasBalanceThreshold,
 
-		frostfsIDClient: p.NeoFSIDClient,
+		frostfsIDClient: p.FrostFSIDClient,
 	}, nil
 }
 
diff --git a/pkg/innerring/processors/governance/processor.go b/pkg/innerring/processors/governance/processor.go
index 1aa8c281a7..1c0a6ee99a 100644
--- a/pkg/innerring/processors/governance/processor.go
+++ b/pkg/innerring/processors/governance/processor.go
@@ -84,7 +84,7 @@ type (
 
 		MorphClient   *client.Client
 		MainnetClient *client.Client
-		NeoFSClient   *frostfscontract.Client
+		FrostFSClient *frostfscontract.Client
 		NetmapClient  *nmClient.Client
 
 		NotaryDisabled bool
@@ -121,7 +121,7 @@ func New(p *Params) (*Processor, error) {
 	return &Processor{
 		log:            p.Log,
 		pool:           pool,
-		frostfsClient:  p.NeoFSClient,
+		frostfsClient:  p.FrostFSClient,
 		netmapClient:   p.NetmapClient,
 		alphabetState:  p.AlphabetState,
 		epochState:     p.EpochState,
diff --git a/pkg/morph/client/client.go b/pkg/morph/client/client.go
index fbe416f152..473a09d793 100644
--- a/pkg/morph/client/client.go
+++ b/pkg/morph/client/client.go
@@ -163,7 +163,7 @@ func (e *notHaltStateError) Error() string {
 
 var errEmptyInvocationScript = errors.New("got empty invocation script from neo node")
 
-// implementation of error interface for NeoFS-specific errors.
+// implementation of error interface for FrostFS-specific errors.
 type frostfsError struct {
 	err error
 }
@@ -172,8 +172,8 @@ func (e frostfsError) Error() string {
 	return fmt.Sprintf("frostfs error: %v", e.err)
 }
 
-// wraps NeoFS-specific error into frostfsError. Arg must not be nil.
-func wrapNeoFSError(err error) error {
+// wraps FrostFS-specific error into frostfsError. Arg must not be nil.
+func wrapFrostFSError(err error) error {
 	return frostfsError{err}
 }
 
@@ -216,7 +216,7 @@ func (c *Client) TestInvoke(contract util.Uint160, method string, args ...interf
 	}
 
 	if val.State != HaltState {
-		return nil, wrapNeoFSError(&notHaltStateError{state: val.State, exception: val.FaultException})
+		return nil, wrapFrostFSError(&notHaltStateError{state: val.State, exception: val.FaultException})
 	}
 
 	return val.Stack, nil
@@ -433,7 +433,7 @@ func toStackParameter(value interface{}) (sc.Parameter, error) {
 		result.Type = sc.BoolType
 		result.Value = v
 	default:
-		return result, wrapNeoFSError(fmt.Errorf("chain/client: unsupported parameter %v", value))
+		return result, wrapFrostFSError(fmt.Errorf("chain/client: unsupported parameter %v", value))
 	}
 
 	return result, nil
diff --git a/pkg/morph/client/nns.go b/pkg/morph/client/nns.go
index 616d67b199..cc3412f96b 100644
--- a/pkg/morph/client/nns.go
+++ b/pkg/morph/client/nns.go
@@ -26,8 +26,8 @@ const (
 	NNSBalanceContractName = "balance.frostfs"
 	// NNSContainerContractName is a name of the container contract in NNS.
 	NNSContainerContractName = "container.frostfs"
-	// NNSNeoFSIDContractName is a name of the frostfsid contract in NNS.
-	NNSNeoFSIDContractName = "frostfsid.frostfs"
+	// NNSFrostFSIDContractName is a name of the frostfsid contract in NNS.
+	NNSFrostFSIDContractName = "frostfsid.frostfs"
 	// NNSNetmapContractName is a name of the netmap contract in NNS.
 	NNSNetmapContractName = "netmap.frostfs"
 	// NNSProxyContractName is a name of the proxy contract in NNS.
diff --git a/pkg/morph/client/notary.go b/pkg/morph/client/notary.go
index 334fcda9d5..c879e6ea47 100644
--- a/pkg/morph/client/notary.go
+++ b/pkg/morph/client/notary.go
@@ -243,12 +243,12 @@ func (c *Client) GetNotaryDeposit() (res int64, err error) {
 	}
 
 	if len(items) != 1 {
-		return 0, wrapNeoFSError(fmt.Errorf("%v: %w", notaryBalanceErrMsg, errUnexpectedItems))
+		return 0, wrapFrostFSError(fmt.Errorf("%v: %w", notaryBalanceErrMsg, errUnexpectedItems))
 	}
 
 	bigIntDeposit, err := items[0].TryInteger()
 	if err != nil {
-		return 0, wrapNeoFSError(fmt.Errorf("%v: %w", notaryBalanceErrMsg, err))
+		return 0, wrapFrostFSError(fmt.Errorf("%v: %w", notaryBalanceErrMsg, err))
 	}
 
 	return bigIntDeposit.Int64(), nil
@@ -475,12 +475,12 @@ func (c *Client) notaryInvoke(committee, invokedByAlpha bool, contract util.Uint
 
 	// check invocation state
 	if test.State != HaltState {
-		return wrapNeoFSError(&notHaltStateError{state: test.State, exception: test.FaultException})
+		return wrapFrostFSError(&notHaltStateError{state: test.State, exception: test.FaultException})
 	}
 
 	// if test invocation failed, then return error
 	if len(test.Script) == 0 {
-		return wrapNeoFSError(errEmptyInvocationScript)
+		return wrapFrostFSError(errEmptyInvocationScript)
 	}
 
 	// after test invocation we build main multisig transaction
@@ -570,7 +570,7 @@ func (c *Client) notaryCosigners(invokedByAlpha bool, ir []*keys.PublicKey, comm
 	multisigScript, err := sc.CreateMultiSigRedeemScript(m, ir)
 	if err != nil {
 		// wrap error as NeoFS-specific since the call is not related to any client
-		return nil, wrapNeoFSError(fmt.Errorf("can't create ir multisig redeem script: %w", err))
+		return nil, wrapFrostFSError(fmt.Errorf("can't create ir multisig redeem script: %w", err))
 	}
 
 	s = append(s, transaction.Signer{
@@ -704,7 +704,7 @@ func (c *Client) notaryMultisigAccount(ir []*keys.PublicKey, committee, invokedB
 		err := multisigAccount.ConvertMultisig(m, ir)
 		if err != nil {
 			// wrap error as NeoFS-specific since the call is not related to any client
-			return nil, wrapNeoFSError(fmt.Errorf("can't convert account to inner ring multisig wallet: %w", err))
+			return nil, wrapFrostFSError(fmt.Errorf("can't convert account to inner ring multisig wallet: %w", err))
 		}
 	} else {
 		// alphabet multisig redeem script is
@@ -713,7 +713,7 @@ func (c *Client) notaryMultisigAccount(ir []*keys.PublicKey, committee, invokedB
 		multisigAccount, err = notary.FakeMultisigAccount(m, ir)
 		if err != nil {
 			// wrap error as NeoFS-specific since the call is not related to any client
-			return nil, wrapNeoFSError(fmt.Errorf("can't make inner ring multisig wallet: %w", err))
+			return nil, wrapFrostFSError(fmt.Errorf("can't make inner ring multisig wallet: %w", err))
 		}
 	}
 
diff --git a/pkg/morph/client/util.go b/pkg/morph/client/util.go
index 8204421646..ff8e507fec 100644
--- a/pkg/morph/client/util.go
+++ b/pkg/morph/client/util.go
@@ -98,7 +98,7 @@ func StringFromStackItem(param stackitem.Item) (string, error) {
 func addFeeCheckerModifier(add int64) func(r *result.Invoke, t *transaction.Transaction) error {
 	return func(r *result.Invoke, t *transaction.Transaction) error {
 		if r.State != HaltState {
-			return wrapNeoFSError(&notHaltStateError{state: r.State, exception: r.FaultException})
+			return wrapFrostFSError(&notHaltStateError{state: r.State, exception: r.FaultException})
 		}
 
 		t.SystemFee += add