diff --git a/.github/workflows/reviewdog.yml b/.github/workflows/reviewdog.yml
index 5a79d3709..62afe323e 100644
--- a/.github/workflows/reviewdog.yml
+++ b/.github/workflows/reviewdog.yml
@@ -20,6 +20,20 @@ jobs:
           fail_on_error: true
           pattern: TODO_IN_THIS_
 
+  check_non_standard_interface_implementations:
+    name: Check for non-standard interface implementation statements
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+      - uses: pokt-network/action-fail-on-found@v1
+        with:
+          github_token: ${{ secrets.github_token }}
+          reporter: github-pr-review
+          level: error
+          fail_on_error: true
+          pattern: var _ .* = &.*{}
+          ignore: .github,.git
+
   # More info: https://github.com/reviewdog/action-misspell
   check_misspell:
     name: Check misspelling
@@ -31,4 +45,4 @@ jobs:
           github_token: ${{ secrets.github_token }}
           reporter: github-check
           level: warning
-          locale: "US"
\ No newline at end of file
+          locale: "US"
diff --git a/Makefile b/Makefile
index c13061153..9873e1206 100644
--- a/Makefile
+++ b/Makefile
@@ -123,7 +123,10 @@ go_mockgen: ## Use `mockgen` to generate mocks used for testing purposes of all
 	go generate ./x/supplier/types/
 
 .PHONY: go_develop
-go_develop: proto_regen go_mockgen go_test ## Generate protos, mocks and run all tests
+go_develop: proto_regen go_mockgen ## Generate protos and mocks
+
+.PHONY: go_develop_and_test
+go_develop_and_test: go_develop go_test ## Generate protos, mocks and run all tests
 
 #############
 ### TODOS ###
diff --git a/e2e/tests/init_test.go b/e2e/tests/init_test.go
index 0ab3be752..fe831a507 100644
--- a/e2e/tests/init_test.go
+++ b/e2e/tests/init_test.go
@@ -5,26 +5,37 @@ package e2e
 import (
 	"fmt"
 	"regexp"
+	"strconv"
 	"strings"
 	"testing"
+	"time"
 
 	"github.com/regen-network/gocuke"
 	"github.com/stretchr/testify/require"
 )
 
-var addrRe *regexp.Regexp
+var (
+	addrRe           *regexp.Regexp
+	amountRe         *regexp.Regexp
+	accNameToAddrMap = make(map[string]string)
+	keyRingFlag      = "--keyring-backend=test"
+)
 
 func init() {
-	addrRe = regexp.MustCompile(`address:\s+(pokt1\w+)`)
+	addrRe = regexp.MustCompile(`address: (\S+)\s+name: (\S+)`)
+	amountRe = regexp.MustCompile(`amount: "(.+?)"\s+denom: upokt`)
 }
 
 type suite struct {
 	gocuke.TestingT
-	pocketd *pocketdBin
+	pocketd       *pocketdBin
+	scenarioState map[string]any // temporary state for each scenario
 }
 
 func (s *suite) Before() {
 	s.pocketd = new(pocketdBin)
+	s.scenarioState = make(map[string]any)
+	s.buildAddrMap()
 }
 
 // TestFeatures runs the e2e tests specified in any .features files in this directory
@@ -56,17 +67,15 @@ func (s *suite) TheUserShouldBeAbleToSeeStandardOutputContaining(arg1 string) {
 	}
 }
 
-func (s *suite) TheUserSendsUpoktToAnotherAddress(amount int64) {
-	addrs := s.getAddresses()
+func (s *suite) TheUserSendsUpoktFromAccountToAccount(amount int64, accName1, accName2 string) {
 	args := []string{
 		"tx",
 		"bank",
 		"send",
-		addrs[0],
-		addrs[1],
+		accNameToAddrMap[accName1],
+		accNameToAddrMap[accName2],
 		fmt.Sprintf("%dupokt", amount),
-		"--keyring-backend",
-		"test",
+		keyRingFlag,
 		"-y",
 	}
 	res, err := s.pocketd.RunCommandOnHost("", args...)
@@ -76,20 +85,78 @@ func (s *suite) TheUserSendsUpoktToAnotherAddress(amount int64) {
 	s.pocketd.result = res
 }
 
-func (s *suite) getAddresses() [2]string {
-	var strs [2]string
+func (s *suite) TheAccountHasABalanceGreaterThanUpokt(accName string, amount int64) {
+	bal := s.getAccBalance(accName)
+	if int64(bal) < amount {
+		s.Fatalf("account %s does not have enough upokt: %d < %d", accName, bal, amount)
+	}
+	s.scenarioState[accName] = bal // save the balance for later
+}
+
+func (s *suite) AnAccountExistsFor(accName string) {
+	bal := s.getAccBalance(accName)
+	s.scenarioState[accName] = bal // save the balance for later
+}
+
+func (s *suite) TheAccountBalanceOfShouldBeUpoktThanBefore(accName string, amount int64, condition string) {
+	prev, ok := s.scenarioState[accName]
+	if !ok {
+		s.Fatalf("no previous balance found for %s", accName)
+	}
+
+	bal := s.getAccBalance(accName)
+	switch condition {
+	case "more":
+		if bal <= prev.(int) {
+			s.Fatalf("account %s expected to have more upokt but: %d <= %d", accName, bal, prev)
+		}
+	case "less":
+		if bal >= prev.(int) {
+			s.Fatalf("account %s expected to have less upokt but: %d >= %d", accName, bal, prev)
+		}
+	default:
+		s.Fatalf("unknown condition %s", condition)
+	}
+}
+
+func (s *suite) TheUserShouldWaitForSeconds(dur int64) {
+	time.Sleep(time.Duration(dur) * time.Second)
+}
+
+func (s *suite) buildAddrMap() {
+	s.Helper()
 	res, err := s.pocketd.RunCommand(
-		"keys", "list", "--keyring-backend", "test",
+		"keys", "list", keyRingFlag,
 	)
 	if err != nil {
 		s.Fatalf("error getting keys: %s", err)
 	}
 	matches := addrRe.FindAllStringSubmatch(res.Stdout, -1)
-	if len(matches) >= 2 {
-		strs[0] = matches[0][1]
-		strs[1] = matches[len(matches)-1][1]
-	} else {
-		s.Fatalf("could not find two addresses in output: %s", res.Stdout)
+	for _, match := range matches {
+		name := match[2]
+		address := match[1]
+		accNameToAddrMap[name] = address
+	}
+}
+
+func (s *suite) getAccBalance(accName string) int {
+	s.Helper()
+	args := []string{
+		"query",
+		"bank",
+		"balances",
+		accNameToAddrMap[accName],
+	}
+	res, err := s.pocketd.RunCommandOnHost("", args...)
+	if err != nil {
+		s.Fatalf("error getting balance: %s", err)
+	}
+	s.pocketd.result = res
+	match := amountRe.FindStringSubmatch(res.Stdout)
+	if len(match) < 2 {
+		s.Fatalf("no balance found for %s", accName)
 	}
-	return strs
+	found, err := strconv.Atoi(match[1])
+	require.NoError(s, err)
+	return found
 }
diff --git a/e2e/tests/node.go b/e2e/tests/node.go
index 4a025cae5..4e34fa827 100644
--- a/e2e/tests/node.go
+++ b/e2e/tests/node.go
@@ -24,7 +24,7 @@ func init() {
 		defaultRPCURL = fmt.Sprintf("tcp://%s:%d", defaultRPCHost, defaultRPCPort)
 	}
 	if defaultHome == "" {
-		defaultHome = "./localnet/pocketd"
+		defaultHome = "../../localnet/pocketd"
 	}
 }
 
@@ -42,7 +42,7 @@ type PocketClient interface {
 }
 
 // Ensure that pocketdBin struct fulfills PocketClient
-var _ PocketClient = &pocketdBin{}
+var _ PocketClient = (*pocketdBin)(nil)
 
 // pocketdBin holds the reults of the last command that was run
 type pocketdBin struct {
diff --git a/e2e/tests/send.feature b/e2e/tests/send.feature
index 1e2bdf2f8..dc5fc4504 100644
--- a/e2e/tests/send.feature
+++ b/e2e/tests/send.feature
@@ -2,7 +2,12 @@ Feature: Tx Namespace
 
   Scenario: User can send uPOKT
     Given the user has the pocketd binary installed
-    When the user sends 10000 uPOKT to another address
+    And the account "app1" has a balance greater than "1000" uPOKT
+    And an account exists for "app2"
+    When the user sends "1000" uPOKT from account "app1" to account "app2"
     Then the user should be able to see standard output containing "txhash:"
     And the user should be able to see standard output containing "code: 0"
     And the pocketd binary should exit without error
+    And the user should wait for "5" seconds
+    And the account balance of "app1" should be "1000" uPOKT "less" than before
+    And the account balance of "app2" should be "1000" uPOKT "more" than before
diff --git a/pkg/observable/channel/observable.go b/pkg/observable/channel/observable.go
index 7b8e2d04e..f6e25ee74 100644
--- a/pkg/observable/channel/observable.go
+++ b/pkg/observable/channel/observable.go
@@ -13,7 +13,7 @@ import (
 // defaultSubscribeBufferSize is the buffer size of a observable's publish channel.
 const defaultPublishBufferSize = 50
 
-var _ observable.Observable[any] = &channelObservable[any]{}
+var _ observable.Observable[any] = (*channelObservable[any])(nil)
 
 // option is a function which receives and can modify the channelObservable state.
 type option[V any] func(obs *channelObservable[V])
diff --git a/pkg/observable/channel/observer.go b/pkg/observable/channel/observer.go
index f90bec563..394a6bdbb 100644
--- a/pkg/observable/channel/observer.go
+++ b/pkg/observable/channel/observer.go
@@ -24,7 +24,7 @@ const (
 	sendRetryInterval = 100 * time.Millisecond
 )
 
-var _ observable.Observer[any] = &channelObserver[any]{}
+var _ observable.Observer[any] = (*channelObserver[any])(nil)
 
 // channelObserver implements the observable.Observer interface.
 type channelObserver[V any] struct {
diff --git a/pkg/relayer/proxy/proxy.go b/pkg/relayer/proxy/proxy.go
index f3d53f5e0..f626f184f 100644
--- a/pkg/relayer/proxy/proxy.go
+++ b/pkg/relayer/proxy/proxy.go
@@ -16,7 +16,7 @@ import (
 	suppliertypes "pocket/x/supplier/types"
 )
 
-var _ RelayerProxy = &relayerProxy{}
+var _ RelayerProxy = (*relayerProxy)(nil)
 
 type relayerProxy struct {
 	// keyName is the supplier's key name in the Cosmos's keybase. It is used along with the keyring to
diff --git a/x/application/types/message_delegate_to_gateway.go b/x/application/types/message_delegate_to_gateway.go
index d162c61bf..232564310 100644
--- a/x/application/types/message_delegate_to_gateway.go
+++ b/x/application/types/message_delegate_to_gateway.go
@@ -7,7 +7,7 @@ import (
 
 const TypeMsgDelegateToGateway = "delegate_to_gateway"
 
-var _ sdk.Msg = &MsgDelegateToGateway{}
+var _ sdk.Msg = (*MsgDelegateToGateway)(nil)
 
 func NewMsgDelegateToGateway(address string) *MsgDelegateToGateway {
 	return &MsgDelegateToGateway{
diff --git a/x/application/types/message_stake_application.go b/x/application/types/message_stake_application.go
index 93532f2bd..219a65701 100644
--- a/x/application/types/message_stake_application.go
+++ b/x/application/types/message_stake_application.go
@@ -8,7 +8,7 @@ import (
 
 const TypeMsgStakeApplication = "stake_application"
 
-var _ sdk.Msg = &MsgStakeApplication{}
+var _ sdk.Msg = (*MsgStakeApplication)(nil)
 
 func NewMsgStakeApplication(
 	address string,
diff --git a/x/application/types/message_undelegate_from_gateway.go b/x/application/types/message_undelegate_from_gateway.go
index 2cca7962c..240605383 100644
--- a/x/application/types/message_undelegate_from_gateway.go
+++ b/x/application/types/message_undelegate_from_gateway.go
@@ -7,7 +7,7 @@ import (
 
 const TypeMsgUndelegateFromGateway = "undelegate_from_gateway"
 
-var _ sdk.Msg = &MsgUndelegateFromGateway{}
+var _ sdk.Msg = (*MsgUndelegateFromGateway)(nil)
 
 func NewMsgUndelegateFromGateway(address string) *MsgUndelegateFromGateway {
 	return &MsgUndelegateFromGateway{
diff --git a/x/application/types/message_unstake_application.go b/x/application/types/message_unstake_application.go
index 1f4051f52..010bae551 100644
--- a/x/application/types/message_unstake_application.go
+++ b/x/application/types/message_unstake_application.go
@@ -7,7 +7,7 @@ import (
 
 const TypeMsgUnstakeApplication = "unstake_application"
 
-var _ sdk.Msg = &MsgUnstakeApplication{}
+var _ sdk.Msg = (*MsgUnstakeApplication)(nil)
 
 func NewMsgUnstakeApplication(address string) *MsgUnstakeApplication {
 	return &MsgUnstakeApplication{
diff --git a/x/gateway/types/message_stake_gateway.go b/x/gateway/types/message_stake_gateway.go
index c86375288..70811076c 100644
--- a/x/gateway/types/message_stake_gateway.go
+++ b/x/gateway/types/message_stake_gateway.go
@@ -8,7 +8,7 @@ import (
 
 const TypeMsgStakeGateway = "stake_gateway"
 
-var _ sdk.Msg = &MsgStakeGateway{}
+var _ sdk.Msg = (*MsgStakeGateway)(nil)
 
 func NewMsgStakeGateway(address string, stake types.Coin) *MsgStakeGateway {
 	return &MsgStakeGateway{
diff --git a/x/gateway/types/message_unstake_gateway.go b/x/gateway/types/message_unstake_gateway.go
index cb60f2009..23bf5f97a 100644
--- a/x/gateway/types/message_unstake_gateway.go
+++ b/x/gateway/types/message_unstake_gateway.go
@@ -7,7 +7,7 @@ import (
 
 const TypeMsgUnstakeGateway = "unstake_gateway"
 
-var _ sdk.Msg = &MsgUnstakeGateway{}
+var _ sdk.Msg = (*MsgUnstakeGateway)(nil)
 
 func NewMsgUnstakeGateway(address string) *MsgUnstakeGateway {
 	return &MsgUnstakeGateway{
diff --git a/x/supplier/types/message_create_claim.go b/x/supplier/types/message_create_claim.go
index 98acf0c72..4bcfada3b 100644
--- a/x/supplier/types/message_create_claim.go
+++ b/x/supplier/types/message_create_claim.go
@@ -9,7 +9,7 @@ import (
 
 const TypeMsgCreateClaim = "create_claim"
 
-var _ sdk.Msg = &MsgCreateClaim{}
+var _ sdk.Msg = (*MsgCreateClaim)(nil)
 
 func NewMsgCreateClaim(supplierAddress string, sessionHeader *sessiontypes.SessionHeader, rootHash []byte) *MsgCreateClaim {
 	return &MsgCreateClaim{
diff --git a/x/supplier/types/message_stake_supplier.go b/x/supplier/types/message_stake_supplier.go
index a441ce6bc..9d4ce5cdc 100644
--- a/x/supplier/types/message_stake_supplier.go
+++ b/x/supplier/types/message_stake_supplier.go
@@ -8,7 +8,7 @@ import (
 
 const TypeMsgStakeSupplier = "stake_supplier"
 
-var _ sdk.Msg = &MsgStakeSupplier{}
+var _ sdk.Msg = (*MsgStakeSupplier)(nil)
 
 func NewMsgStakeSupplier(
 	address string,
diff --git a/x/supplier/types/message_submit_proof.go b/x/supplier/types/message_submit_proof.go
index ee2dec47a..32faa796b 100644
--- a/x/supplier/types/message_submit_proof.go
+++ b/x/supplier/types/message_submit_proof.go
@@ -9,7 +9,7 @@ import (
 
 const TypeMsgSubmitProof = "submit_proof"
 
-var _ sdk.Msg = &MsgSubmitProof{}
+var _ sdk.Msg = (*MsgSubmitProof)(nil)
 
 func NewMsgSubmitProof(supplierAddress string, sessionHeader *sessiontypes.SessionHeader, proof []byte) *MsgSubmitProof {
 	return &MsgSubmitProof{
diff --git a/x/supplier/types/message_unstake_supplier.go b/x/supplier/types/message_unstake_supplier.go
index eec8ede80..884c21c36 100644
--- a/x/supplier/types/message_unstake_supplier.go
+++ b/x/supplier/types/message_unstake_supplier.go
@@ -7,7 +7,7 @@ import (
 
 const TypeMsgUnstakeSupplier = "unstake_supplier"
 
-var _ sdk.Msg = &MsgUnstakeSupplier{}
+var _ sdk.Msg = (*MsgUnstakeSupplier)(nil)
 
 func NewMsgUnstakeSupplier(address string) *MsgUnstakeSupplier {
 	return &MsgUnstakeSupplier{