diff --git a/backend/ethereum/wallet/hd/wallet_test.go b/backend/ethereum/wallet/hd/wallet_test.go
index 5ad8c9413..4280a450a 100644
--- a/backend/ethereum/wallet/hd/wallet_test.go
+++ b/backend/ethereum/wallet/hd/wallet_test.go
@@ -129,6 +129,7 @@ func newSetup(t require.TestingT, prng *rand.Rand) (*test.Setup, accounts.Wallet
 		AddressInWallet: acc.Address(),
 		Backend:         new(ethwallet.Backend),
 		AddressEncoded:  sampleBytes,
+		ZeroAddress:     ethwallet.AsWalletAddr(common.Address{}),
 		DataToSign:      dataToSign,
 	}, rawHDWallet, hdWallet
 }
diff --git a/backend/ethereum/wallet/keystore/wallet_test.go b/backend/ethereum/wallet/keystore/wallet_test.go
index 66d71f3a4..4e72bf8fe 100644
--- a/backend/ethereum/wallet/keystore/wallet_test.go
+++ b/backend/ethereum/wallet/keystore/wallet_test.go
@@ -94,6 +94,7 @@ func newSetup(t require.TestingT) *test.Setup {
 		AddressInWallet: acc.Address(),
 		Backend:         new(ethwallet.Backend),
 		AddressEncoded:  validAddrBytes,
+		ZeroAddress:     ethwallet.AsWalletAddr(common.Address{}),
 		DataToSign:      dataToSign,
 	}
 }
diff --git a/backend/ethereum/wallet/simple/wallet_test.go b/backend/ethereum/wallet/simple/wallet_test.go
index dd51e29f7..9d29a4c19 100644
--- a/backend/ethereum/wallet/simple/wallet_test.go
+++ b/backend/ethereum/wallet/simple/wallet_test.go
@@ -110,6 +110,7 @@ func newSetup(t require.TestingT, prng *rand.Rand) (*test.Setup, *simple.Wallet)
 		AddressInWallet: acc.Address(),
 		Backend:         new(ethwallet.Backend),
 		AddressEncoded:  validAddrBytes,
+		ZeroAddress:     ethwallet.AsWalletAddr(common.Address{}),
 		DataToSign:      dataToSign,
 	}, simpleWallet
 }
diff --git a/backend/sim/wallet/wallet_internal_test.go b/backend/sim/wallet/wallet_internal_test.go
index 3a4a346b0..d0b8f7130 100644
--- a/backend/sim/wallet/wallet_internal_test.go
+++ b/backend/sim/wallet/wallet_internal_test.go
@@ -15,6 +15,7 @@
 package wallet
 
 import (
+	"bytes"
 	"math/big"
 	"math/rand"
 	"testing"
@@ -99,11 +100,20 @@ func newWalletSetup(rng *rand.Rand) *test.Setup {
 		panic(err)
 	}
 
+	backend := new(Backend)
+	addrEncoded := accountB.Address().Bytes()
+	addrLen := len(addrEncoded)
+	zeroAddr, err := backend.DecodeAddress(bytes.NewReader(make([]byte, addrLen)))
+	if err != nil {
+		panic(err)
+	}
+
 	return &test.Setup{
-		Backend:         new(Backend),
+		Backend:         backend,
 		Wallet:          w,
 		AddressInWallet: acc.Address(),
-		AddressEncoded:  accountB.Address().Bytes(),
+		AddressEncoded:  addrEncoded,
+		ZeroAddress:     zeroAddr,
 		DataToSign:      data,
 	}
 }
diff --git a/wallet/test/address.go b/wallet/test/address.go
index e94f6d0a9..6fefe6a89 100644
--- a/wallet/test/address.go
+++ b/wallet/test/address.go
@@ -25,9 +25,7 @@ import (
 // TestAddress runs a test suite designed to test the general functionality of
 // an address implementation.
 func TestAddress(t *testing.T, s *Setup) {
-	addrLen := len(s.AddressEncoded)
-	null, err := s.Backend.DecodeAddress(bytes.NewReader(make([]byte, addrLen)))
-	assert.NoError(t, err, "Byte deserialization of zero address should work")
+	null := s.ZeroAddress
 	addr, err := s.Backend.DecodeAddress(bytes.NewReader(s.AddressEncoded))
 	assert.NoError(t, err, "Byte deserialization of address should work")
 
@@ -42,6 +40,11 @@ func TestAddress(t *testing.T, s *Setup) {
 	assert.False(t, addr.Equals(null), "Expected inequality of zero, nonzero address")
 	assert.True(t, null.Equals(null), "Expected equality of zero address to itself")
 
+	// Test Address.Cmp.
+	assert.Positive(t, addr.Cmp(null), "Expected addr > zero")
+	assert.Zero(t, null.Cmp(null), "Expected zero = zero")
+	assert.Negative(t, null.Cmp(addr), "Expected null < addr")
+
 	// Test Address.Bytes.
 	addrBytes := addr.Bytes()
 	nullBytes := null.Bytes()
diff --git a/wallet/test/wallet.go b/wallet/test/wallet.go
index 82d7f33af..14de689bf 100644
--- a/wallet/test/wallet.go
+++ b/wallet/test/wallet.go
@@ -35,6 +35,7 @@ type Setup struct {
 	Backend         wallet.Backend // backend implementation
 	Wallet          wallet.Wallet  // the wallet instance used for testing
 	AddressInWallet wallet.Address // an address of an account in the test wallet
+	ZeroAddress     wallet.Address // an address that is less or equal to any other address
 	DataToSign      []byte         // some data to sign
 	AddressEncoded  []byte         // a valid nonzero address not in the wallet
 }