diff --git a/cli/candidate_test.go b/cli/candidate_test.go
index ac175458b..ebd0f9144 100644
--- a/cli/candidate_test.go
+++ b/cli/candidate_test.go
@@ -22,6 +22,7 @@ func TestRegisterCandidate(t *testing.T) {
 		"--rpc-endpoint", "http://"+e.RPC.Addr,
 		"--wallet", validatorWallet,
 		"--from", validatorAddr,
+		"--force",
 		"NEO:"+validatorPriv.Address()+":10",
 		"GAS:"+validatorPriv.Address()+":10000")
 	e.checkTxPersisted(t)
diff --git a/cli/contract_test.go b/cli/contract_test.go
index 36bd0e811..77ecebb84 100644
--- a/cli/contract_test.go
+++ b/cli/contract_test.go
@@ -175,6 +175,7 @@ func TestContractDeployWithData(t *testing.T) {
 		"--rpc-endpoint", "http://"+e.RPC.Addr,
 		"--wallet", validatorWallet, "--address", validatorAddr,
 		"--in", nefName, "--manifest", manifestName,
+		"--force",
 		"[", "key1", "12", "key2", "take_me_to_church", "]")
 
 	e.checkTxPersisted(t, "Sent invocation transaction ")
@@ -242,6 +243,7 @@ func TestContractManifestGroups(t *testing.T) {
 	e.Run(t, "neo-go", "contract", "deploy",
 		"--rpc-endpoint", "http://"+e.RPC.Addr,
 		"--in", nefName, "--manifest", manifestName,
+		"--force",
 		"--wallet", validatorWallet, "--address", validatorAddr)
 }
 
@@ -261,6 +263,7 @@ func deployContract(t *testing.T, e *executor, inPath, configPath, wallet, addre
 	e.Run(t, "neo-go", "contract", "deploy",
 		"--rpc-endpoint", "http://"+e.RPC.Addr,
 		"--wallet", wallet, "--address", address,
+		"--force",
 		"--in", nefName, "--manifest", manifestName)
 	e.checkTxPersisted(t, "Sent invocation transaction ")
 	line, err := e.Out.ReadString('\n')
@@ -297,7 +300,7 @@ func TestComlileAndInvokeFunction(t *testing.T) {
 
 	e.In.WriteString("one\r")
 	e.Run(t, "neo-go", "contract", "deploy",
-		"--rpc-endpoint", "http://"+e.RPC.Addr,
+		"--rpc-endpoint", "http://"+e.RPC.Addr, "--force",
 		"--wallet", validatorWallet, "--address", validatorAddr,
 		"--in", nefName, "--manifest", manifestName)
 
@@ -371,11 +374,20 @@ func TestComlileAndInvokeFunction(t *testing.T) {
 		})
 
 		cmd = append(cmd, "--wallet", validatorWallet, "--address", validatorAddr)
-		e.In.WriteString("one\r")
-		e.Run(t, append(cmd, h.StringLE(), "getValue")...)
+		t.Run("cancelled", func(t *testing.T) {
+			e.In.WriteString("one\r")
+			e.In.WriteString("n\r")
+			e.RunWithError(t, append(cmd, h.StringLE(), "getValue")...)
+		})
+		t.Run("confirmed", func(t *testing.T) {
+			e.In.WriteString("one\r")
+			e.In.WriteString("y\r")
+			e.Run(t, append(cmd, h.StringLE(), "getValue")...)
+		})
 
 		t.Run("failind method", func(t *testing.T) {
 			e.In.WriteString("one\r")
+			e.In.WriteString("y\r")
 			e.RunWithError(t, append(cmd, h.StringLE(), "fail")...)
 
 			e.In.WriteString("one\r")
@@ -384,6 +396,7 @@ func TestComlileAndInvokeFunction(t *testing.T) {
 
 		t.Run("cosigner is deployed contract", func(t *testing.T) {
 			e.In.WriteString("one\r")
+			e.In.WriteString("y\r")
 			e.Run(t, append(cmd, h.StringLE(), "getValue",
 				"--", validatorAddr, hVerify.StringLE())...)
 		})
@@ -499,6 +512,7 @@ func TestComlileAndInvokeFunction(t *testing.T) {
 		e.Run(t, "neo-go", "contract", "invokefunction",
 			"--rpc-endpoint", "http://"+e.RPC.Addr,
 			"--wallet", validatorWallet, "--address", validatorAddr,
+			"--force",
 			h.StringLE(), "update",
 			"bytes:"+hex.EncodeToString(rawNef),
 			"bytes:"+hex.EncodeToString(rawManifest),
diff --git a/cli/input/input.go b/cli/input/input.go
index 22eb4a6c8..c8445766d 100644
--- a/cli/input/input.go
+++ b/cli/input/input.go
@@ -1,10 +1,13 @@
 package input
 
 import (
+	"errors"
+	"fmt"
 	"io"
 	"os"
 	"syscall"
 
+	"github.com/nspcc-dev/neo-go/pkg/core/transaction"
 	"golang.org/x/term"
 )
 
@@ -55,3 +58,18 @@ func ReadPassword(prompt string) (string, error) {
 	}
 	return trm.ReadPassword(prompt)
 }
+
+// ConfirmTx asks for a confirmation to send tx.
+func ConfirmTx(w io.Writer, tx *transaction.Transaction) error {
+	fmt.Fprintf(w, "Network fee: %d\n", tx.NetworkFee)
+	fmt.Fprintf(w, "System fee: %d\n", tx.SystemFee)
+	fmt.Fprintf(w, "Total fee: %d\n", tx.NetworkFee+tx.SystemFee)
+	ln, err := ReadLine("Relay transaction (y|N)> ")
+	if err != nil {
+		return err
+	}
+	if 0 < len(ln) && ln[0] == 'y' || ln[0] == 'Y' {
+		return nil
+	}
+	return errors.New("cancelled")
+}
diff --git a/cli/multisig_test.go b/cli/multisig_test.go
index 95d1da0d8..e189f1518 100644
--- a/cli/multisig_test.go
+++ b/cli/multisig_test.go
@@ -51,6 +51,7 @@ func TestSignMultisigTx(t *testing.T) {
 		"--rpc-endpoint", "http://"+e.RPC.Addr,
 		"--wallet", validatorWallet,
 		"--from", validatorAddr,
+		"--force",
 		"NEO:"+multisigAddr+":4",
 		"GAS:"+multisigAddr+":1")
 	e.checkTxPersisted(t)
diff --git a/cli/nep11_test.go b/cli/nep11_test.go
index 69a83e1e3..576d7184c 100644
--- a/cli/nep11_test.go
+++ b/cli/nep11_test.go
@@ -107,6 +107,7 @@ func TestNEP11_OwnerOf_BalanceOf_Transfer(t *testing.T) {
 		"--to", nftOwnerAddr,
 		"--token", "GAS",
 		"--amount", "10000",
+		"--force",
 		"--from", validatorAddr)
 	e.checkTxPersisted(t)
 
@@ -122,6 +123,7 @@ func TestNEP11_OwnerOf_BalanceOf_Transfer(t *testing.T) {
 			"--to", h.StringLE(),
 			"--token", "GAS",
 			"--amount", "10",
+			"--force",
 			"--from", nftOwnerAddr)
 		txMint, _ := e.checkTxPersisted(t)
 
@@ -259,6 +261,7 @@ func TestNEP11_OwnerOf_BalanceOf_Transfer(t *testing.T) {
 		"--wallet", wall,
 		"--to", validatorAddr,
 		"--from", nftOwnerAddr,
+		"--force",
 	}
 
 	// transfer: unimported token with symbol id specified
@@ -290,6 +293,7 @@ func TestNEP11_OwnerOf_BalanceOf_Transfer(t *testing.T) {
 		"--from", nftOwnerAddr,
 		"--token", h.StringLE(),
 		"--id", string(tokenID1),
+		"--force",
 		"string:some_data",
 	}
 	e.In.WriteString(nftOwnerPass + "\r")
diff --git a/cli/nep17_test.go b/cli/nep17_test.go
index 68ad55b7f..d8b2021ee 100644
--- a/cli/nep17_test.go
+++ b/cli/nep17_test.go
@@ -122,8 +122,23 @@ func TestNEP17Transfer(t *testing.T) {
 		e.In.Reset()
 	})
 
+	t.Run("no confirmation", func(t *testing.T) {
+		e.In.WriteString("one\r")
+		e.RunWithError(t, args...)
+		e.In.Reset()
+	})
+	t.Run("cancel after prompt", func(t *testing.T) {
+		e.In.WriteString("one\r")
+		e.RunWithError(t, args...)
+		e.In.Reset()
+	})
+
 	e.In.WriteString("one\r")
+	e.In.WriteString("Y\r")
 	e.Run(t, args...)
+	e.checkNextLine(t, `^Network fee:\s*(\d|\.)+`)
+	e.checkNextLine(t, `^System fee:\s*(\d|\.)+`)
+	e.checkNextLine(t, `^Total fee:\s*(\d|\.)+`)
 	e.checkTxPersisted(t)
 
 	sh, err := address.StringToUint160(w.Accounts[0].Address)
@@ -131,6 +146,17 @@ func TestNEP17Transfer(t *testing.T) {
 	b, _ := e.Chain.GetGoverningTokenBalance(sh)
 	require.Equal(t, big.NewInt(1), b)
 
+	t.Run("with force", func(t *testing.T) {
+		e.In.WriteString("one\r")
+		e.Run(t, append(args, "--force")...)
+		e.checkTxPersisted(t)
+
+		sh, err := address.StringToUint160(w.Accounts[0].Address)
+		require.NoError(t, err)
+		b, _ := e.Chain.GetGoverningTokenBalance(sh)
+		require.Equal(t, big.NewInt(2), b)
+	})
+
 	hVerify := deployVerifyContract(t, e)
 	const validatorDefault = "Nhfg3TbpwogLvDGVvAvqyThbsHgoSUKwtn"
 
@@ -140,11 +166,13 @@ func TestNEP17Transfer(t *testing.T) {
 			"--rpc-endpoint", "http://"+e.RPC.Addr,
 			"--wallet", validatorWallet,
 			"--from", validatorAddr,
+			"--force",
 			"NEO:"+validatorDefault+":42",
 			"GAS:"+validatorDefault+":7")
 		e.checkTxPersisted(t)
 
 		args := args[:len(args)-2] // cut '--from' argument
+		args = append(args, "--force")
 		e.In.WriteString("one\r")
 		e.Run(t, args...)
 		e.checkTxPersisted(t)
@@ -152,7 +180,7 @@ func TestNEP17Transfer(t *testing.T) {
 		sh, err := address.StringToUint160(w.Accounts[0].Address)
 		require.NoError(t, err)
 		b, _ := e.Chain.GetGoverningTokenBalance(sh)
-		require.Equal(t, big.NewInt(2), b)
+		require.Equal(t, big.NewInt(3), b)
 
 		sh, err = address.StringToUint160(validatorDefault)
 		require.NoError(t, err)
@@ -166,6 +194,7 @@ func TestNEP17Transfer(t *testing.T) {
 			"--rpc-endpoint", "http://"+e.RPC.Addr,
 			"--wallet", validatorWallet,
 			"--from", validatorAddr,
+			"--force",
 			"NEO:"+validatorDefault+":42",
 			"GAS:"+validatorDefault+":7",
 			"--", validatorAddr+":Global")
@@ -181,6 +210,7 @@ func TestNEP17Transfer(t *testing.T) {
 		"--token", "GAS",
 		"--amount", "1",
 		"--from", validatorAddr,
+		"--force",
 		"[", validatorAddr, strconv.Itoa(int(validTil)), "]"}
 
 	t.Run("with data", func(t *testing.T) {
@@ -218,6 +248,7 @@ func TestNEP17MultiTransfer(t *testing.T) {
 		"--rpc-endpoint", "http://" + e.RPC.Addr,
 		"--wallet", validatorWallet,
 		"--from", validatorAddr,
+		"--force",
 		"NEO:" + privs[0].Address() + ":42",
 		"GAS:" + privs[1].Address() + ":7",
 		neoContractHash.StringLE() + ":" + privs[2].Address() + ":13",
diff --git a/cli/query_test.go b/cli/query_test.go
index 5e4c9a516..f0fc761fb 100644
--- a/cli/query_test.go
+++ b/cli/query_test.go
@@ -34,6 +34,7 @@ func TestQueryTx(t *testing.T) {
 		"--to", w.Accounts[0].Address,
 		"--token", "NEO",
 		"--from", validatorAddr,
+		"--force",
 	}
 
 	e.In.WriteString("one\r")
diff --git a/cli/smartcontract/smart_contract.go b/cli/smartcontract/smart_contract.go
index dc7ac6512..808e6b9c6 100644
--- a/cli/smartcontract/smart_contract.go
+++ b/cli/smartcontract/smart_contract.go
@@ -660,7 +660,17 @@ func invokeWithArgs(ctx *cli.Context, acc *wallet.Account, wall *wallet.Wallet,
 		if len(resp.Script) == 0 {
 			return sender, cli.NewExitError(errors.New("no script returned from the RPC node"), 1)
 		}
-		txHash, err := c.SignAndPushInvocationTx(resp.Script, acc, resp.GasConsumed+int64(sysgas), gas, cosignersAccounts)
+		tx, err := c.CreateTxFromScript(resp.Script, acc, resp.GasConsumed+int64(sysgas), int64(gas), cosignersAccounts)
+		if err != nil {
+			return sender, cli.NewExitError(fmt.Errorf("failed to create tx: %w", err), 1)
+		}
+		if !ctx.Bool("force") {
+			err := input.ConfirmTx(ctx.App.Writer, tx)
+			if err != nil {
+				return sender, cli.NewExitError(err, 1)
+			}
+		}
+		txHash, err := c.SignAndPushTx(tx, acc, cosignersAccounts)
 		if err != nil {
 			return sender, cli.NewExitError(fmt.Errorf("failed to push invocation tx: %w", err), 1)
 		}
diff --git a/cli/wallet/nep11.go b/cli/wallet/nep11.go
index 9f3d64234..e0393484e 100644
--- a/cli/wallet/nep11.go
+++ b/cli/wallet/nep11.go
@@ -6,6 +6,7 @@ import (
 	"math/big"
 
 	"github.com/nspcc-dev/neo-go/cli/flags"
+	"github.com/nspcc-dev/neo-go/cli/input"
 	"github.com/nspcc-dev/neo-go/cli/options"
 	"github.com/nspcc-dev/neo-go/cli/paramcontext"
 	"github.com/nspcc-dev/neo-go/pkg/core/transaction"
@@ -262,6 +263,12 @@ func signAndSendNEP11Transfer(ctx *cli.Context, c *client.Client, acc *wallet.Ac
 			return cli.NewExitError(err, 1)
 		}
 	} else {
+		if !ctx.Bool("force") {
+			err := input.ConfirmTx(ctx.App.Writer, tx)
+			if err != nil {
+				return cli.NewExitError(err, 1)
+			}
+		}
 		_, err := c.SignAndPushTx(tx, acc, cosigners)
 		if err != nil {
 			return cli.NewExitError(err, 1)
diff --git a/cli/wallet/nep17.go b/cli/wallet/nep17.go
index cbf60b974..270a60c77 100644
--- a/cli/wallet/nep17.go
+++ b/cli/wallet/nep17.go
@@ -8,6 +8,7 @@ import (
 
 	"github.com/nspcc-dev/neo-go/cli/cmdargs"
 	"github.com/nspcc-dev/neo-go/cli/flags"
+	"github.com/nspcc-dev/neo-go/cli/input"
 	"github.com/nspcc-dev/neo-go/cli/options"
 	"github.com/nspcc-dev/neo-go/cli/paramcontext"
 	"github.com/nspcc-dev/neo-go/pkg/encoding/address"
@@ -55,6 +56,7 @@ var (
 		tokenFlag,
 		gasFlag,
 		sysGasFlag,
+		forceFlag,
 		cli.StringFlag{
 			Name:  "amount",
 			Usage: "Amount of asset to send",
@@ -66,6 +68,7 @@ var (
 		fromAddrFlag,
 		gasFlag,
 		sysGasFlag,
+		forceFlag,
 	}, options.RPC...)
 )
 
@@ -580,6 +583,12 @@ func signAndSendNEP17Transfer(ctx *cli.Context, c *client.Client, acc *wallet.Ac
 			return cli.NewExitError(err, 1)
 		}
 	} else {
+		if !ctx.Bool("force") {
+			err := input.ConfirmTx(ctx.App.Writer, tx)
+			if err != nil {
+				return cli.NewExitError(err, 1)
+			}
+		}
 		_, err := c.SignAndPushTx(tx, acc, cosigners)
 		if err != nil {
 			return cli.NewExitError(err, 1)
diff --git a/cli/wallet_test.go b/cli/wallet_test.go
index c5855f341..21067f7de 100644
--- a/cli/wallet_test.go
+++ b/cli/wallet_test.go
@@ -222,6 +222,7 @@ func TestClaimGas(t *testing.T) {
 		"--rpc-endpoint", "http://" + e.RPC.Addr,
 		"--wallet", validatorWallet,
 		"--from", validatorAddr,
+		"--force",
 		"NEO:" + testWalletAccount + ":1000",
 		"GAS:" + testWalletAccount + ":1000", // for tx send
 	}
@@ -293,6 +294,7 @@ func TestImportDeployed(t *testing.T) {
 		e.Run(t, "neo-go", "wallet", "nep17", "multitransfer",
 			"--rpc-endpoint", "http://"+e.RPC.Addr,
 			"--wallet", validatorWallet, "--from", validatorAddr,
+			"--force",
 			"NEO:"+contractAddr+":10",
 			"GAS:"+contractAddr+":10")
 		e.checkTxPersisted(t)
@@ -304,6 +306,7 @@ func TestImportDeployed(t *testing.T) {
 		e.Run(t, "neo-go", "wallet", "nep17", "transfer",
 			"--rpc-endpoint", "http://"+e.RPC.Addr,
 			"--wallet", walletPath, "--from", contractAddr,
+			"--force",
 			"--to", privTo.Address(), "--token", "NEO", "--amount", "1")
 		e.checkTxPersisted(t)