diff --git a/.gitignore b/.gitignore
index 7feb49e..49a21b6 100644
--- a/.gitignore
+++ b/.gitignore
@@ -22,3 +22,12 @@ go.work
 
 # binary
 /bursa
+
+# output files
+payment.addr
+payment.skey
+payment.vkey
+seed.txt
+stake.addr
+stake.skey
+stake.vkey
diff --git a/cmd/bursa/main.go b/cmd/bursa/main.go
index 0a1f356..7b9232a 100644
--- a/cmd/bursa/main.go
+++ b/cmd/bursa/main.go
@@ -28,7 +28,7 @@ func main() {
 	fs.Usage = func() {
 		fmt.Fprintf(
 			flag.CommandLine.Output(),
-			"Usage: bursa [-h] [subcommand] [args]\n\nSubcommands:\n\n",
+			"Usage: bursa [-h] <subcommand> [args]\n\nSubcommands:\n\n",
 		)
 		fmt.Fprintf(
 			flag.CommandLine.Output(),
@@ -63,9 +63,10 @@ func main() {
 	}()
 
 	var subCommand string
-	// Parse subcommand (default: "cli")
+	// Parse subcommand
 	if len(fs.Args()) < 1 {
-		subCommand = "cli"
+		fs.Usage()
+		os.Exit(1)
 	} else {
 		subCommand = fs.Arg(0)
 	}
diff --git a/go.mod b/go.mod
index ed939e4..4586c7a 100644
--- a/go.mod
+++ b/go.mod
@@ -14,6 +14,7 @@ require (
 	github.com/swaggo/swag v1.16.2
 	github.com/tyler-smith/go-bip39 v1.1.0
 	go.uber.org/zap v1.26.0
+	golang.org/x/sync v0.1.0
 )
 
 require (
diff --git a/go.sum b/go.sum
index 9374c7a..2739771 100644
--- a/go.sum
+++ b/go.sum
@@ -431,6 +431,8 @@ golang.org/x/sync v0.0.0-20200317015054-43a5402ce75a/go.mod h1:RxMgew5VJxzue5/jJ
 golang.org/x/sync v0.0.0-20200625203802-6e8e738ad208/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
 golang.org/x/sync v0.0.0-20201207232520-09787c993a3a/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
 golang.org/x/sync v0.0.0-20220722155255-886fb9371eb4/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
+golang.org/x/sync v0.1.0 h1:wsuoTGHzEhffawBOhz5CYhcrV4IdKZbEyZjBMuTp12o=
+golang.org/x/sync v0.1.0/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
 golang.org/x/sys v0.0.0-20180830151530-49385e6e1522/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY=
 golang.org/x/sys v0.0.0-20180905080454-ebe1bf3edb33/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY=
 golang.org/x/sys v0.0.0-20180909124046-d0be0721c37e/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY=
diff --git a/internal/cli/cli.go b/internal/cli/cli.go
index 0a30359..deae556 100644
--- a/internal/cli/cli.go
+++ b/internal/cli/cli.go
@@ -18,6 +18,9 @@ import (
 	"flag"
 	"fmt"
 	"os"
+	"path/filepath"
+
+	"golang.org/x/sync/errgroup"
 
 	"github.com/blinklabs-io/bursa"
 	"github.com/blinklabs-io/bursa/internal/config"
@@ -58,5 +61,45 @@ func Run() {
 		fmt.Printf("payment.skey=%s\n", bursa.GetKeyFile(w.PaymentSKey))
 		fmt.Printf("stake.vkey=%s\n", bursa.GetKeyFile(w.StakeVKey))
 		fmt.Printf("stake.skey=%s\n", bursa.GetKeyFile(w.StakeSKey))
-	} // TODO: output to files
+	} else {
+		fmt.Printf("Output dir: %v\n", *flagOutput)
+		_, err := os.Stat(*flagOutput)
+		if os.IsNotExist(err) {
+			err = os.MkdirAll(*flagOutput, 0755)
+			if err != nil {
+				panic(err)
+			}
+		}
+		var fileMap = []map[string]string{
+			{"seed.txt": w.Mnemonic},
+			{"payment.addr": w.PaymentAddress},
+			{"stake.addr": w.StakeAddress},
+			{"payment.vkey": bursa.GetKeyFile(w.PaymentVKey)},
+			{"payment.skey": bursa.GetKeyFile(w.PaymentSKey)},
+			{"stake.vkey": bursa.GetKeyFile(w.StakeVKey)},
+			{"stake.skey": bursa.GetKeyFile(w.StakeSKey)},
+		}
+		var g errgroup.Group
+		for _, m := range fileMap {
+			for k, v := range m {
+				k := k
+				v := v
+				g.Go(func() error {
+					path := filepath.Join(*flagOutput, k)
+					err = os.WriteFile(path, []byte(v), 0666)
+					if err != nil {
+						return err
+					}
+					return err
+				})
+			}
+		}
+		err = g.Wait()
+		if err != nil {
+			logger.Fatalf("error occurred: %s", err)
+			os.Exit(1)
+		}
+		logger.Infof("wrote output files to %s", *flagOutput)
+
+	}
 }