diff --git a/.github/workflows/gnovm.yml b/.github/workflows/gnovm.yml
index 79bff34866e..0fce8292816 100644
--- a/.github/workflows/gnovm.yml
+++ b/.github/workflows/gnovm.yml
@@ -23,10 +23,14 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        go-version: [ "1.19.x", "1.20.x" ]
-        goarch: [ "amd64" ]
-        goos: [ "linux" ]
-        program: [ "gno" ]
+        go-version: # two latest versions
+          - "1.19.x"
+          - "1.20.x"
+        goenv: # TODO: replace with pairs, so it's easier to read in the GH interface.
+          - "GOARCH=amd64 GOOS=linux"
+          - "GOARCH=wasm GOOS=js"
+        program:
+          - "gno"
     runs-on: ubuntu-latest
     timeout-minutes: 5
     steps:
@@ -36,7 +40,7 @@ jobs:
       - uses: actions/checkout@v3
       - name: go install
         working-directory: gnovm
-        run: GOOS=${{ matrix.goos }} GOARCH=${{ matrix.goarch }} go install ./cmd/${{ matrix.program }}
+        run: ${{ matrix.goenv }} go install ./cmd/${{ matrix.program }}
 
   test:
     strategy:
diff --git a/go.mod b/go.mod
index 9042d49acfa..eefa2f91115 100644
--- a/go.mod
+++ b/go.mod
@@ -12,6 +12,7 @@ require (
 	github.com/fortytw2/leaktest v1.3.0
 	github.com/gdamore/tcell/v2 v2.1.0
 	github.com/gnolang/cors v1.8.1
+	github.com/gnolang/goleveldb v0.0.9
 	github.com/gnolang/overflow v0.0.0-20170615021017-4d914c927216
 	github.com/golang/protobuf v1.5.3
 	github.com/google/gofuzz v1.2.0
@@ -27,7 +28,6 @@ require (
 	github.com/peterbourgon/ff/v3 v3.4.0
 	github.com/pmezard/go-difflib v1.0.0
 	github.com/stretchr/testify v1.8.4
-	github.com/syndtr/goleveldb v1.0.0
 	github.com/tecbot/gorocksdb v0.0.0-20191217155057-f0fad39f321c
 	go.etcd.io/bbolt v1.3.7
 	go.uber.org/multierr v1.9.0
@@ -52,7 +52,7 @@ require (
 	github.com/gogo/protobuf v1.3.2 // indirect
 	github.com/golang/glog v0.0.0-20160126235308-23def4e6c14b // indirect
 	github.com/golang/groupcache v0.0.0-20190702054246-869f871628b6 // indirect
-	github.com/golang/snappy v0.0.3 // indirect
+	github.com/golang/snappy v0.0.4 // indirect
 	github.com/google/flatbuffers v1.12.1 // indirect
 	github.com/gorilla/securecookie v1.1.1 // indirect
 	github.com/gorilla/sessions v1.2.1 // indirect
diff --git a/go.sum b/go.sum
index 85e172493fa..94404e246da 100644
--- a/go.sum
+++ b/go.sum
@@ -67,6 +67,8 @@ github.com/gdamore/tcell/v2 v2.1.0 h1:UnSmozHgBkQi2PGsFr+rpdXuAPRRucMegpQp3Z3kDr
 github.com/gdamore/tcell/v2 v2.1.0/go.mod h1:vSVL/GV5mCSlPC6thFP5kfOFdM9MGZcalipmpTxTgQA=
 github.com/gnolang/cors v1.8.1 h1:D3y1DMoWcgGpCefHwD4UHjy1w1163sfczZyy7b5wH8o=
 github.com/gnolang/cors v1.8.1/go.mod h1:g7HJhHH+N1r+oRrb7ckR2J6xp5es4EizpAP0JpfgVgU=
+github.com/gnolang/goleveldb v0.0.9 h1:Q7rGko9oXMKtQA+Apeeed5a3sjba/mcDhzJGoTVLCKE=
+github.com/gnolang/goleveldb v0.0.9/go.mod h1:Dz6p9bmpy/FBESTgduiThZt5mToVDipcHGzj/zUOo8E=
 github.com/gnolang/overflow v0.0.0-20170615021017-4d914c927216 h1:GKvsK3oLWG9B1GL7WP/VqwM6C92j5tIvB844oggL9Lk=
 github.com/gnolang/overflow v0.0.0-20170615021017-4d914c927216/go.mod h1:xJhtEL7ahjM1WJipt89gel8tHzfIl/LyMY+lCYh38d8=
 github.com/gogo/protobuf v1.3.2 h1:Ov1cvc58UF3b5XjBnZv7+opcTcQFZebYjWzi34vdm4Q=
@@ -87,9 +89,9 @@ github.com/golang/protobuf v1.4.2/go.mod h1:oDoupMAO8OvCJWAcko0GGGIgR6R6ocIYbsSw
 github.com/golang/protobuf v1.5.0/go.mod h1:FsONVRAS9T7sI+LIUmWTfcYkHO4aIWwzhcaSAoJOfIk=
 github.com/golang/protobuf v1.5.3 h1:KhyjKVUg7Usr/dYsdSqoFveMYd5ko72D+zANwlG1mmg=
 github.com/golang/protobuf v1.5.3/go.mod h1:XVQd3VNwM+JqD3oG2Ue2ip4fOMUkwXdXDdiuN0vRsmY=
-github.com/golang/snappy v0.0.0-20180518054509-2e65f85255db/go.mod h1:/XxbfmMg8lxefKM7IXC3fBNl/7bRcc72aCRzEWrmP2Q=
-github.com/golang/snappy v0.0.3 h1:fHPg5GQYlCeLIPB9BZqMVR5nR9A+IM5zcgeTdjMYmLA=
 github.com/golang/snappy v0.0.3/go.mod h1:/XxbfmMg8lxefKM7IXC3fBNl/7bRcc72aCRzEWrmP2Q=
+github.com/golang/snappy v0.0.4 h1:yAGX7huGHXlcLOEtBnF4w7FQwA26wojNCwOYAEhLjQM=
+github.com/golang/snappy v0.0.4/go.mod h1:/XxbfmMg8lxefKM7IXC3fBNl/7bRcc72aCRzEWrmP2Q=
 github.com/google/flatbuffers v1.12.1 h1:MVlul7pQNoDzWRLTw5imwYsl+usrS1TXG2H4jg6ImGw=
 github.com/google/flatbuffers v1.12.1/go.mod h1:1AeVuKshWv4vARoZatz6mlQ0JxURH0Kv5+zNeJKJCa8=
 github.com/google/go-cmp v0.3.0/go.mod h1:8QqcDgzrUqlUb/G2PQTWiueGozuR1884gddMywk6iLU=
@@ -187,8 +189,6 @@ github.com/stretchr/testify v1.4.0/go.mod h1:j7eGeouHqKxXV5pUuKE4zz7dFj8WfuZ+81P
 github.com/stretchr/testify v1.6.1/go.mod h1:6Fq8oRcR53rry900zMqJjRRixrwX3KX962/h/Wwjteg=
 github.com/stretchr/testify v1.8.4 h1:CcVxjf3Q8PM0mHUKJCdn+eZZtm5yQwehR5yeSVQQcUk=
 github.com/stretchr/testify v1.8.4/go.mod h1:sz/lmYIOXD/1dqDmKjjqLyZ2RngseejIcXlSw2iwfAo=
-github.com/syndtr/goleveldb v1.0.0 h1:fBdIW9lB4Iz0n9khmH8w27SJ3QEJ7+IgjPEwGSZiFdE=
-github.com/syndtr/goleveldb v1.0.0/go.mod h1:ZVVdQEZoIme9iO1Ch2Jdy24qqXrMMOU6lpPAyBWyWuQ=
 github.com/tecbot/gorocksdb v0.0.0-20191217155057-f0fad39f321c h1:g+WoO5jjkqGAzHWCjJB1zZfXPIAaDpzXIEJ0eS6B5Ok=
 github.com/tecbot/gorocksdb v0.0.0-20191217155057-f0fad39f321c/go.mod h1:ahpPrc7HpcfEWDQRZEmnXMzHY03mLDYMCxeDzy46i+8=
 github.com/ugorji/go/codec v0.0.0-20181204163529-d75b2dcb6bc8/go.mod h1:VFNgLljTbGfSG7qAOspJ7OScBnGdDN/yBr0sguwnwf0=
diff --git a/misc/deployments/staging.gno.land/overlay/config.toml b/misc/deployments/staging.gno.land/overlay/config.toml
index a580ed7db7f..a02bb45bbb7 100644
--- a/misc/deployments/staging.gno.land/overlay/config.toml
+++ b/misc/deployments/staging.gno.land/overlay/config.toml
@@ -16,7 +16,7 @@ moniker = "45-79-178-97"
 fast_sync = true
 
 # Database backend: goleveldb | cleveldb | boltdb
-# * goleveldb (github.com/syndtr/goleveldb - most popular implementation)
+# * goleveldb (github.com/gnolang/goleveldb, fork of github.com/syndtr/goleveldb) - most popular implementation)
 #   - pure go
 #   - stable
 # * cleveldb (uses levigo wrapper)
diff --git a/misc/deployments/test2.gno.land/overlay/config.toml b/misc/deployments/test2.gno.land/overlay/config.toml
index 465e39b474f..edf04ba4431 100644
--- a/misc/deployments/test2.gno.land/overlay/config.toml
+++ b/misc/deployments/test2.gno.land/overlay/config.toml
@@ -16,7 +16,7 @@ moniker = "45-79-178-97"
 fast_sync = true
 
 # Database backend: goleveldb | cleveldb | boltdb
-# * goleveldb (github.com/syndtr/goleveldb - most popular implementation)
+# * goleveldb (github.com/gnolang/goleveldb - most popular implementation)
 #   - pure go
 #   - stable
 # * cleveldb (uses levigo wrapper)
diff --git a/misc/deployments/test3.gno.land/overlay/config.toml b/misc/deployments/test3.gno.land/overlay/config.toml
index 465e39b474f..edf04ba4431 100644
--- a/misc/deployments/test3.gno.land/overlay/config.toml
+++ b/misc/deployments/test3.gno.land/overlay/config.toml
@@ -16,7 +16,7 @@ moniker = "45-79-178-97"
 fast_sync = true
 
 # Database backend: goleveldb | cleveldb | boltdb
-# * goleveldb (github.com/syndtr/goleveldb - most popular implementation)
+# * goleveldb (github.com/gnolang/goleveldb - most popular implementation)
 #   - pure go
 #   - stable
 # * cleveldb (uses levigo wrapper)
diff --git a/tm2/pkg/autofile/autofile.go b/tm2/pkg/autofile/autofile.go
index 205554a7644..b81e4368e8c 100644
--- a/tm2/pkg/autofile/autofile.go
+++ b/tm2/pkg/autofile/autofile.go
@@ -2,9 +2,7 @@ package autofile
 
 import (
 	"os"
-	"os/signal"
 	"sync"
-	"syscall"
 	"time"
 
 	"github.com/gnolang/gno/tm2/pkg/random"
@@ -63,19 +61,16 @@ func OpenAutoFile(path string) (*AutoFile, error) {
 		closeTicker:      time.NewTicker(autoFileClosePeriod),
 		closeTickerStopc: make(chan struct{}),
 	}
+
 	if err := af.openFile(); err != nil {
 		af.Close()
 		return nil, err
 	}
 
-	// Close file on SIGHUP.
-	af.hupc = make(chan os.Signal, 1)
-	signal.Notify(af.hupc, syscall.SIGHUP)
-	go func() {
-		for range af.hupc {
-			af.closeFile()
-		}
-	}()
+	// see autofile_*.go implementations, following different build constraints.
+	if err := af.setupCloseHandler(); err != nil {
+		return nil, err
+	}
 
 	go af.closeFileRoutine()
 
@@ -158,10 +153,10 @@ func (af *AutoFile) openFile() error {
 	}
 	// fileInfo, err := file.Stat()
 	// if err != nil {
-	// 	return err
+	//	return err
 	// }
 	// if fileInfo.Mode() != autoFilePerms {
-	// 	return errors.NewErrPermissionsChanged(file.Name(), fileInfo.Mode(), autoFilePerms)
+	//	return errors.NewErrPermissionsChanged(file.Name(), fileInfo.Mode(), autoFilePerms)
 	// }
 	af.file = file
 	return nil
diff --git a/tm2/pkg/autofile/autofile_unix.go b/tm2/pkg/autofile/autofile_unix.go
new file mode 100644
index 00000000000..4bf6c15d4f7
--- /dev/null
+++ b/tm2/pkg/autofile/autofile_unix.go
@@ -0,0 +1,22 @@
+//go:build !js && !wasm
+// +build !js,!wasm
+
+package autofile
+
+import (
+	"os"
+	"os/signal"
+	"syscall"
+)
+
+func (af *AutoFile) setupCloseHandler() error {
+	// Close file on SIGHUP.
+	af.hupc = make(chan os.Signal, 1)
+	signal.Notify(af.hupc, syscall.SIGHUP)
+	go func() {
+		for range af.hupc {
+			af.closeFile()
+		}
+	}()
+	return nil
+}
diff --git a/tm2/pkg/autofile/autofile_wasm.go b/tm2/pkg/autofile/autofile_wasm.go
new file mode 100644
index 00000000000..3d328ef9992
--- /dev/null
+++ b/tm2/pkg/autofile/autofile_wasm.go
@@ -0,0 +1,8 @@
+//go:build js && wasm
+// +build js,wasm
+
+package autofile
+
+func (af *AutoFile) setupCloseHandler() error {
+	return nil
+}
diff --git a/tm2/pkg/bft/abci/example/kvstore/persistent_kvstore.go b/tm2/pkg/bft/abci/example/kvstore/persistent_kvstore.go
index 09c827d1433..2e0adb5656f 100644
--- a/tm2/pkg/bft/abci/example/kvstore/persistent_kvstore.go
+++ b/tm2/pkg/bft/abci/example/kvstore/persistent_kvstore.go
@@ -10,7 +10,7 @@ import (
 	"github.com/gnolang/gno/tm2/pkg/bft/abci/example/errors"
 	abci "github.com/gnolang/gno/tm2/pkg/bft/abci/types"
 	"github.com/gnolang/gno/tm2/pkg/crypto"
-	dbm "github.com/gnolang/gno/tm2/pkg/db"
+	"github.com/gnolang/gno/tm2/pkg/db"
 	"github.com/gnolang/gno/tm2/pkg/log"
 )
 
@@ -19,6 +19,8 @@ const (
 	ValidatorKeyPrefix    string = "/val/"
 )
 
+const dbBackend = db.GoLevelDBBackend
+
 // -----------------------------------------
 
 var _ abci.Application = (*PersistentKVStoreApplication)(nil)
@@ -34,7 +36,7 @@ type PersistentKVStoreApplication struct {
 
 func NewPersistentKVStoreApplication(dbDir string) *PersistentKVStoreApplication {
 	name := "kvstore"
-	db, err := dbm.NewGoLevelDB(name, dbDir)
+	db, err := db.NewDB(name, dbBackend, dbDir)
 	if err != nil {
 		panic(err)
 	}
diff --git a/tm2/pkg/bft/config/config.go b/tm2/pkg/bft/config/config.go
index 576bf0ff76f..6f148c3b5c1 100644
--- a/tm2/pkg/bft/config/config.go
+++ b/tm2/pkg/bft/config/config.go
@@ -174,7 +174,7 @@ type BaseConfig struct {
 	FastSyncMode bool `toml:"fast_sync"`
 
 	// Database backend: goleveldb | cleveldb | boltdb
-	// * goleveldb (github.com/syndtr/goleveldb - most popular implementation)
+	// * goleveldb (github.com/gnolang/goleveldb - most popular implementation)
 	//   - pure go
 	//   - stable
 	// * cleveldb (uses levigo wrapper)
diff --git a/tm2/pkg/bft/config/toml.go b/tm2/pkg/bft/config/toml.go
index abb2ab33e17..a35e5674631 100644
--- a/tm2/pkg/bft/config/toml.go
+++ b/tm2/pkg/bft/config/toml.go
@@ -70,7 +70,7 @@ moniker = "{{ .BaseConfig.Moniker }}"
 fast_sync = {{ .BaseConfig.FastSyncMode }}
 
 # Database backend: goleveldb | cleveldb | boltdb
-# * goleveldb (github.com/syndtr/goleveldb - most popular implementation)
+# * goleveldb (github.com/gnolang/goleveldb - most popular implementation)
 #   - pure go
 #   - stable
 # * cleveldb (uses levigo wrapper)
diff --git a/tm2/pkg/crypto/keys/lazy_keybase.go b/tm2/pkg/crypto/keys/lazy_keybase.go
index 2b2719bfdba..f7f9e229980 100644
--- a/tm2/pkg/crypto/keys/lazy_keybase.go
+++ b/tm2/pkg/crypto/keys/lazy_keybase.go
@@ -5,10 +5,12 @@ import (
 
 	"github.com/gnolang/gno/tm2/pkg/crypto"
 	"github.com/gnolang/gno/tm2/pkg/crypto/hd"
-	dbm "github.com/gnolang/gno/tm2/pkg/db"
+	"github.com/gnolang/gno/tm2/pkg/db"
 	"github.com/gnolang/gno/tm2/pkg/os"
 )
 
+const dbBackend = db.GoLevelDBBackend
+
 var _ Keybase = lazyKeybase{}
 
 type lazyKeybase struct {
@@ -26,7 +28,7 @@ func NewLazyDBKeybase(name, dir string) Keybase {
 }
 
 func (lkb lazyKeybase) List() ([]Info, error) {
-	db, err := dbm.NewGoLevelDB(lkb.name, lkb.dir)
+	db, err := db.NewDB(lkb.name, dbBackend, lkb.dir)
 	if err != nil {
 		return nil, err
 	}
@@ -36,7 +38,7 @@ func (lkb lazyKeybase) List() ([]Info, error) {
 }
 
 func (lkb lazyKeybase) GetByNameOrAddress(nameOrBech32 string) (Info, error) {
-	db, err := dbm.NewGoLevelDB(lkb.name, lkb.dir)
+	db, err := db.NewDB(lkb.name, dbBackend, lkb.dir)
 	if err != nil {
 		return nil, err
 	}
@@ -46,7 +48,7 @@ func (lkb lazyKeybase) GetByNameOrAddress(nameOrBech32 string) (Info, error) {
 }
 
 func (lkb lazyKeybase) GetByName(name string) (Info, error) {
-	db, err := dbm.NewGoLevelDB(lkb.name, lkb.dir)
+	db, err := db.NewDB(lkb.name, dbBackend, lkb.dir)
 	if err != nil {
 		return nil, err
 	}
@@ -56,7 +58,7 @@ func (lkb lazyKeybase) GetByName(name string) (Info, error) {
 }
 
 func (lkb lazyKeybase) GetByAddress(address crypto.Address) (Info, error) {
-	db, err := dbm.NewGoLevelDB(lkb.name, lkb.dir)
+	db, err := db.NewDB(lkb.name, dbBackend, lkb.dir)
 	if err != nil {
 		return nil, err
 	}
@@ -66,7 +68,7 @@ func (lkb lazyKeybase) GetByAddress(address crypto.Address) (Info, error) {
 }
 
 func (lkb lazyKeybase) Delete(name, passphrase string, skipPass bool) error {
-	db, err := dbm.NewGoLevelDB(lkb.name, lkb.dir)
+	db, err := db.NewDB(lkb.name, dbBackend, lkb.dir)
 	if err != nil {
 		return err
 	}
@@ -76,7 +78,7 @@ func (lkb lazyKeybase) Delete(name, passphrase string, skipPass bool) error {
 }
 
 func (lkb lazyKeybase) Sign(name, passphrase string, msg []byte) ([]byte, crypto.PubKey, error) {
-	db, err := dbm.NewGoLevelDB(lkb.name, lkb.dir)
+	db, err := db.NewDB(lkb.name, dbBackend, lkb.dir)
 	if err != nil {
 		return nil, nil, err
 	}
@@ -86,7 +88,7 @@ func (lkb lazyKeybase) Sign(name, passphrase string, msg []byte) ([]byte, crypto
 }
 
 func (lkb lazyKeybase) Verify(name string, msg, sig []byte) error {
-	db, err := dbm.NewGoLevelDB(lkb.name, lkb.dir)
+	db, err := db.NewDB(lkb.name, dbBackend, lkb.dir)
 	if err != nil {
 		return err
 	}
@@ -96,7 +98,7 @@ func (lkb lazyKeybase) Verify(name string, msg, sig []byte) error {
 }
 
 func (lkb lazyKeybase) CreateAccount(name, mnemonic, bip39Passwd, encryptPasswd string, account uint32, index uint32) (Info, error) {
-	db, err := dbm.NewGoLevelDB(lkb.name, lkb.dir)
+	db, err := db.NewDB(lkb.name, dbBackend, lkb.dir)
 	if err != nil {
 		return nil, err
 	}
@@ -106,7 +108,7 @@ func (lkb lazyKeybase) CreateAccount(name, mnemonic, bip39Passwd, encryptPasswd
 }
 
 func (lkb lazyKeybase) CreateAccountBip44(name, mnemonic, bip39Passwd, encryptPasswd string, params hd.BIP44Params) (Info, error) {
-	db, err := dbm.NewGoLevelDB(lkb.name, lkb.dir)
+	db, err := db.NewDB(lkb.name, dbBackend, lkb.dir)
 	if err != nil {
 		return nil, err
 	}
@@ -116,7 +118,7 @@ func (lkb lazyKeybase) CreateAccountBip44(name, mnemonic, bip39Passwd, encryptPa
 }
 
 func (lkb lazyKeybase) CreateLedger(name string, algo SigningAlgo, hrp string, account, index uint32) (info Info, err error) {
-	db, err := dbm.NewGoLevelDB(lkb.name, lkb.dir)
+	db, err := db.NewDB(lkb.name, dbBackend, lkb.dir)
 	if err != nil {
 		return nil, err
 	}
@@ -126,7 +128,7 @@ func (lkb lazyKeybase) CreateLedger(name string, algo SigningAlgo, hrp string, a
 }
 
 func (lkb lazyKeybase) CreateOffline(name string, pubkey crypto.PubKey) (info Info, err error) {
-	db, err := dbm.NewGoLevelDB(lkb.name, lkb.dir)
+	db, err := db.NewDB(lkb.name, dbBackend, lkb.dir)
 	if err != nil {
 		return nil, err
 	}
@@ -136,7 +138,7 @@ func (lkb lazyKeybase) CreateOffline(name string, pubkey crypto.PubKey) (info In
 }
 
 func (lkb lazyKeybase) CreateMulti(name string, pubkey crypto.PubKey) (info Info, err error) {
-	db, err := dbm.NewGoLevelDB(lkb.name, lkb.dir)
+	db, err := db.NewDB(lkb.name, dbBackend, lkb.dir)
 	if err != nil {
 		return nil, err
 	}
@@ -146,7 +148,7 @@ func (lkb lazyKeybase) CreateMulti(name string, pubkey crypto.PubKey) (info Info
 }
 
 func (lkb lazyKeybase) Update(name, oldpass string, getNewpass func() (string, error)) error {
-	db, err := dbm.NewGoLevelDB(lkb.name, lkb.dir)
+	db, err := db.NewDB(lkb.name, dbBackend, lkb.dir)
 	if err != nil {
 		return err
 	}
@@ -156,7 +158,7 @@ func (lkb lazyKeybase) Update(name, oldpass string, getNewpass func() (string, e
 }
 
 func (lkb lazyKeybase) Import(name string, armor string) (err error) {
-	db, err := dbm.NewGoLevelDB(lkb.name, lkb.dir)
+	db, err := db.NewDB(lkb.name, dbBackend, lkb.dir)
 	if err != nil {
 		return err
 	}
@@ -171,7 +173,7 @@ func (lkb lazyKeybase) ImportPrivKey(
 	decryptPassphrase,
 	encryptPassphrase string,
 ) error {
-	db, err := dbm.NewGoLevelDB(lkb.name, lkb.dir)
+	db, err := db.NewDB(lkb.name, dbBackend, lkb.dir)
 	if err != nil {
 		return err
 	}
@@ -185,7 +187,7 @@ func (lkb lazyKeybase) ImportPrivKeyUnsafe(
 	armor string,
 	encryptPassphrase string,
 ) error {
-	db, err := dbm.NewGoLevelDB(lkb.name, lkb.dir)
+	db, err := db.NewDB(lkb.name, dbBackend, lkb.dir)
 	if err != nil {
 		return err
 	}
@@ -195,7 +197,7 @@ func (lkb lazyKeybase) ImportPrivKeyUnsafe(
 }
 
 func (lkb lazyKeybase) ImportPubKey(name string, armor string) (err error) {
-	db, err := dbm.NewGoLevelDB(lkb.name, lkb.dir)
+	db, err := db.NewDB(lkb.name, dbBackend, lkb.dir)
 	if err != nil {
 		return err
 	}
@@ -205,7 +207,7 @@ func (lkb lazyKeybase) ImportPubKey(name string, armor string) (err error) {
 }
 
 func (lkb lazyKeybase) Export(name string) (armor string, err error) {
-	db, err := dbm.NewGoLevelDB(lkb.name, lkb.dir)
+	db, err := db.NewDB(lkb.name, dbBackend, lkb.dir)
 	if err != nil {
 		return "", err
 	}
@@ -215,7 +217,7 @@ func (lkb lazyKeybase) Export(name string) (armor string, err error) {
 }
 
 func (lkb lazyKeybase) ExportPubKey(name string) (armor string, err error) {
-	db, err := dbm.NewGoLevelDB(lkb.name, lkb.dir)
+	db, err := db.NewDB(lkb.name, dbBackend, lkb.dir)
 	if err != nil {
 		return "", err
 	}
@@ -225,7 +227,7 @@ func (lkb lazyKeybase) ExportPubKey(name string) (armor string, err error) {
 }
 
 func (lkb lazyKeybase) ExportPrivateKeyObject(name string, passphrase string) (crypto.PrivKey, error) {
-	db, err := dbm.NewGoLevelDB(lkb.name, lkb.dir)
+	db, err := db.NewDB(lkb.name, dbBackend, lkb.dir)
 	if err != nil {
 		return nil, err
 	}
@@ -237,7 +239,7 @@ func (lkb lazyKeybase) ExportPrivateKeyObject(name string, passphrase string) (c
 func (lkb lazyKeybase) ExportPrivKey(name string, decryptPassphrase string,
 	encryptPassphrase string,
 ) (armor string, err error) {
-	db, err := dbm.NewGoLevelDB(lkb.name, lkb.dir)
+	db, err := db.NewDB(lkb.name, dbBackend, lkb.dir)
 	if err != nil {
 		return "", err
 	}
@@ -247,7 +249,7 @@ func (lkb lazyKeybase) ExportPrivKey(name string, decryptPassphrase string,
 }
 
 func (lkb lazyKeybase) ExportPrivKeyUnsafe(name string, decryptPassphrase string) (string, error) {
-	db, err := dbm.NewGoLevelDB(lkb.name, lkb.dir)
+	db, err := db.NewDB(lkb.name, dbBackend, lkb.dir)
 	if err != nil {
 		return "", err
 	}
diff --git a/tm2/pkg/db/db.go b/tm2/pkg/db/db.go
index 228072fba55..6ffa7bf2eb1 100644
--- a/tm2/pkg/db/db.go
+++ b/tm2/pkg/db/db.go
@@ -9,9 +9,8 @@ type BackendType string
 
 // These are valid backend types.
 const (
-	// GoLevelDBBackend represents goleveldb (github.com/syndtr/goleveldb - most
+	// GoLevelDBBackend represents goleveldb (github.com/gnolang/goleveldb - most
 	// popular implementation)
-	//   - pure go
 	//   - stable
 	GoLevelDBBackend BackendType = "goleveldb"
 	// CLevelDBBackend represents cleveldb (uses levigo wrapper)
@@ -19,11 +18,11 @@ const (
 	//   - requires gcc
 	//   - use cleveldb build tag (go build -tags cleveldb)
 	CLevelDBBackend BackendType = "cleveldb"
-	// MemDBBackend represents in-memoty key value store, which is mostly used
+	// MemDBBackend represents in-memory key value store, which is mostly used
 	// for testing.
 	MemDBBackend BackendType = "memdb"
 	// FSDBBackend represents filesystem database
-	//	 - EXPERIMENTAL
+	//   - EXPERIMENTAL
 	//   - slow
 	FSDBBackend BackendType = "fsdb"
 	// BoltDBBackend represents bolt (uses etcd's fork of bolt -
diff --git a/tm2/pkg/db/go_level_db.go b/tm2/pkg/db/go_level_db.go
index 80e1e5f5c1e..e269e5a9f8c 100644
--- a/tm2/pkg/db/go_level_db.go
+++ b/tm2/pkg/db/go_level_db.go
@@ -6,10 +6,10 @@ import (
 	"fmt"
 	"path/filepath"
 
-	"github.com/syndtr/goleveldb/leveldb"
-	"github.com/syndtr/goleveldb/leveldb/errors"
-	"github.com/syndtr/goleveldb/leveldb/iterator"
-	"github.com/syndtr/goleveldb/leveldb/opt"
+	"github.com/gnolang/goleveldb/leveldb"
+	"github.com/gnolang/goleveldb/leveldb/errors"
+	"github.com/gnolang/goleveldb/leveldb/iterator"
+	"github.com/gnolang/goleveldb/leveldb/opt"
 )
 
 func init() {
@@ -289,7 +289,7 @@ func (itr *goLevelDBIterator) Valid() bool {
 // Implements Iterator.
 func (itr *goLevelDBIterator) Key() []byte {
 	// Key returns a copy of the current key.
-	// See https://github.com/syndtr/goleveldb/blob/52c212e6c196a1404ea59592d3f1c227c9f034b2/leveldb/iterator/iter.go#L88
+	// See https://github.com/gnolang/goleveldb/blob/52c212e6c196a1404ea59592d3f1c227c9f034b2/leveldb/iterator/iter.go#L88
 	itr.assertNoError()
 	itr.assertIsValid()
 	return cp(itr.source.Key())
@@ -298,7 +298,7 @@ func (itr *goLevelDBIterator) Key() []byte {
 // Implements Iterator.
 func (itr *goLevelDBIterator) Value() []byte {
 	// Value returns a copy of the current value.
-	// See https://github.com/syndtr/goleveldb/blob/52c212e6c196a1404ea59592d3f1c227c9f034b2/leveldb/iterator/iter.go#L88
+	// See https://github.com/gnolang/goleveldb/blob/52c212e6c196a1404ea59592d3f1c227c9f034b2/leveldb/iterator/iter.go#L88
 	itr.assertNoError()
 	itr.assertIsValid()
 	return cp(itr.source.Value())
diff --git a/tm2/pkg/db/go_level_db_test.go b/tm2/pkg/db/go_level_db_test.go
index 6eb7c5ab2c6..a85bb6e8713 100644
--- a/tm2/pkg/db/go_level_db_test.go
+++ b/tm2/pkg/db/go_level_db_test.go
@@ -4,8 +4,8 @@ import (
 	"fmt"
 	"testing"
 
+	"github.com/gnolang/goleveldb/leveldb/opt"
 	"github.com/stretchr/testify/require"
-	"github.com/syndtr/goleveldb/leveldb/opt"
 )
 
 func TestGoLevelDBNewGoLevelDB(t *testing.T) {
diff --git a/tm2/pkg/iavl/nodedb.go b/tm2/pkg/iavl/nodedb.go
index 4c8e41a30b0..3e59b3480e9 100644
--- a/tm2/pkg/iavl/nodedb.go
+++ b/tm2/pkg/iavl/nodedb.go
@@ -117,14 +117,6 @@ func (ndb *nodeDB) SaveNode(node *Node) {
 // Has checks if a hash exists in the database.
 func (ndb *nodeDB) Has(hash []byte) bool {
 	key := ndb.nodeKey(hash)
-
-	if ldb, ok := ndb.db.(*dbm.GoLevelDB); ok {
-		exists, err := ldb.DB().Has(key, nil)
-		if err != nil {
-			panic("Got error from leveldb: " + err.Error())
-		}
-		return exists
-	}
 	return ndb.db.Get(key) != nil
 }