diff --git a/chain/beacon/beacon.go b/chain/beacon/beacon.go
index ccd71c6b4..4838e1a98 100644
--- a/chain/beacon/beacon.go
+++ b/chain/beacon/beacon.go
@@ -1,17 +1,13 @@
 package beacon
 
 import (
-	"bytes"
 	"context"
-	"encoding/binary"
 	"time"
 
 	"github.com/filecoin-project/lotus/chain/types"
 	"github.com/filecoin-project/specs-actors/actors/abi"
 	logging "github.com/ipfs/go-log"
 	"golang.org/x/xerrors"
-
-	"github.com/minio/blake2b-simd"
 )
 
 var log = logging.Logger("beacon")
@@ -21,17 +17,13 @@ type Response struct {
 	Err   error
 }
 
-type DrandBeacon interface {
-	//RoundTime() uint64
-	//StartTime() uint64
-	LastEntry() (types.BeaconEntry, error)
+type RandomBeacon interface {
 	Entry(context.Context, uint64) <-chan Response
 	VerifyEntry(types.BeaconEntry, types.BeaconEntry) error
 	MaxBeaconRoundForEpoch(abi.ChainEpoch, types.BeaconEntry) uint64
-	IsEntryForEpoch(e types.BeaconEntry, epoch abi.ChainEpoch, nulls int) (bool, error)
 }
 
-func ValidateBlockValues(b DrandBeacon, h *types.BlockHeader, prevEntry types.BeaconEntry) error {
+func ValidateBlockValues(b RandomBeacon, h *types.BlockHeader, prevEntry types.BeaconEntry) error {
 	maxRound := b.MaxBeaconRoundForEpoch(h.Height, prevEntry)
 	if maxRound == prevEntry.Round {
 		if len(h.BeaconEntries) != 0 {
@@ -55,7 +47,7 @@ func ValidateBlockValues(b DrandBeacon, h *types.BlockHeader, prevEntry types.Be
 	return nil
 }
 
-func BeaconEntriesForBlock(ctx context.Context, beacon DrandBeacon, round abi.ChainEpoch, prev types.BeaconEntry) ([]types.BeaconEntry, error) {
+func BeaconEntriesForBlock(ctx context.Context, beacon RandomBeacon, round abi.ChainEpoch, prev types.BeaconEntry) ([]types.BeaconEntry, error) {
 	start := time.Now()
 
 	maxRound := beacon.MaxBeaconRoundForEpoch(round, prev)
@@ -90,58 +82,3 @@ func reverse(arr []types.BeaconEntry) {
 		arr[i], arr[len(arr)-(1+i)] = arr[len(arr)-(1+i)], arr[i]
 	}
 }
-
-// Mock beacon assumes that filecoin rounds are 1:1 mapped with the beacon rounds
-type mockBeacon struct {
-	interval time.Duration
-}
-
-func NewMockBeacon(interval time.Duration) DrandBeacon {
-	mb := &mockBeacon{interval: interval}
-
-	return mb
-}
-
-func (mb *mockBeacon) RoundTime() time.Duration {
-	return mb.interval
-}
-
-func (mb *mockBeacon) LastEntry() (types.BeaconEntry, error) {
-	panic("NYI")
-}
-
-func (mb *mockBeacon) entryForIndex(index uint64) types.BeaconEntry {
-	buf := make([]byte, 8)
-	binary.BigEndian.PutUint64(buf, index)
-	rval := blake2b.Sum256(buf)
-	return types.BeaconEntry{
-		Round: index,
-		Data:  rval[:],
-	}
-}
-
-func (mb *mockBeacon) Entry(ctx context.Context, index uint64) <-chan Response {
-	e := mb.entryForIndex(index)
-	out := make(chan Response, 1)
-	out <- Response{Entry: e}
-	return out
-}
-
-func (mb *mockBeacon) VerifyEntry(from types.BeaconEntry, to types.BeaconEntry) error {
-	// TODO: cache this, especially for bls
-	oe := mb.entryForIndex(from.Round)
-	if !bytes.Equal(from.Data, oe.Data) {
-		return xerrors.Errorf("mock beacon entry was invalid!")
-	}
-	return nil
-}
-
-func (mb *mockBeacon) IsEntryForEpoch(e types.BeaconEntry, epoch abi.ChainEpoch, nulls int) (bool, error) {
-	return int64(e.Round) <= int64(epoch) && int64(epoch)-int64(nulls) >= int64(e.Round), nil
-}
-
-func (mb *mockBeacon) MaxBeaconRoundForEpoch(epoch abi.ChainEpoch, prevEntry types.BeaconEntry) uint64 {
-	return uint64(epoch)
-}
-
-var _ DrandBeacon = (*mockBeacon)(nil)
diff --git a/chain/beacon/mock.go b/chain/beacon/mock.go
new file mode 100644
index 000000000..4dcda2e8b
--- /dev/null
+++ b/chain/beacon/mock.go
@@ -0,0 +1,68 @@
+package beacon
+
+import (
+	"bytes"
+	"context"
+	"encoding/binary"
+	"time"
+
+	"github.com/filecoin-project/lotus/chain/types"
+	"github.com/filecoin-project/specs-actors/actors/abi"
+	"github.com/minio/blake2b-simd"
+	"golang.org/x/xerrors"
+)
+
+// Mock beacon assumes that filecoin rounds are 1:1 mapped with the beacon rounds
+type mockBeacon struct {
+	interval time.Duration
+}
+
+func NewMockBeacon(interval time.Duration) RandomBeacon {
+	mb := &mockBeacon{interval: interval}
+
+	return mb
+}
+
+func (mb *mockBeacon) RoundTime() time.Duration {
+	return mb.interval
+}
+
+func (mb *mockBeacon) LastEntry() (types.BeaconEntry, error) {
+	panic("NYI")
+}
+
+func (mb *mockBeacon) entryForIndex(index uint64) types.BeaconEntry {
+	buf := make([]byte, 8)
+	binary.BigEndian.PutUint64(buf, index)
+	rval := blake2b.Sum256(buf)
+	return types.BeaconEntry{
+		Round: index,
+		Data:  rval[:],
+	}
+}
+
+func (mb *mockBeacon) Entry(ctx context.Context, index uint64) <-chan Response {
+	e := mb.entryForIndex(index)
+	out := make(chan Response, 1)
+	out <- Response{Entry: e}
+	return out
+}
+
+func (mb *mockBeacon) VerifyEntry(from types.BeaconEntry, to types.BeaconEntry) error {
+	// TODO: cache this, especially for bls
+	oe := mb.entryForIndex(from.Round)
+	if !bytes.Equal(from.Data, oe.Data) {
+		return xerrors.Errorf("mock beacon entry was invalid!")
+	}
+	return nil
+}
+
+func (mb *mockBeacon) IsEntryForEpoch(e types.BeaconEntry, epoch abi.ChainEpoch, nulls int) (bool, error) {
+	return int64(e.Round) <= int64(epoch) && int64(epoch)-int64(nulls) >= int64(e.Round), nil
+}
+
+func (mb *mockBeacon) MaxBeaconRoundForEpoch(epoch abi.ChainEpoch, prevEntry types.BeaconEntry) uint64 {
+	return uint64(epoch)
+}
+
+var _ RandomBeacon = (*mockBeacon)(nil)
diff --git a/chain/gen/gen.go b/chain/gen/gen.go
index 84d1bbd13..9436c1e3c 100644
--- a/chain/gen/gen.go
+++ b/chain/gen/gen.go
@@ -52,7 +52,7 @@ type ChainGen struct {
 
 	cs *store.ChainStore
 
-	beacon beacon.DrandBeacon
+	beacon beacon.RandomBeacon
 
 	sm *stmgr.StateManager
 
diff --git a/chain/sync.go b/chain/sync.go
index b9e682d29..cff29a050 100644
--- a/chain/sync.go
+++ b/chain/sync.go
@@ -54,7 +54,7 @@ type Syncer struct {
 	store *store.ChainStore
 
 	// handle to the random beacon for verification
-	beacon beacon.DrandBeacon
+	beacon beacon.RandomBeacon
 
 	// the state manager handles making state queries
 	sm *stmgr.StateManager
@@ -79,7 +79,7 @@ type Syncer struct {
 	receiptTracker *blockReceiptTracker
 }
 
-func NewSyncer(sm *stmgr.StateManager, bsync *blocksync.BlockSync, connmgr connmgr.ConnManager, self peer.ID, beacon beacon.DrandBeacon) (*Syncer, error) {
+func NewSyncer(sm *stmgr.StateManager, bsync *blocksync.BlockSync, connmgr connmgr.ConnManager, self peer.ID, beacon beacon.RandomBeacon) (*Syncer, error) {
 	gen, err := sm.ChainStore().GetGenesis()
 	if err != nil {
 		return nil, err
diff --git a/miner/miner.go b/miner/miner.go
index 3377d57d0..dc2b8d5dd 100644
--- a/miner/miner.go
+++ b/miner/miner.go
@@ -27,7 +27,7 @@ var log = logging.Logger("miner")
 
 type waitFunc func(ctx context.Context, baseTime uint64) error
 
-func NewMiner(api api.FullNode, epp gen.ElectionPoStProver, beacon beacon.DrandBeacon) *Miner {
+func NewMiner(api api.FullNode, epp gen.ElectionPoStProver, beacon beacon.RandomBeacon) *Miner {
 	arc, err := lru.NewARC(10000)
 	if err != nil {
 		panic(err)
@@ -52,7 +52,7 @@ type Miner struct {
 	api api.FullNode
 
 	epp    gen.ElectionPoStProver
-	beacon beacon.DrandBeacon
+	beacon beacon.RandomBeacon
 
 	lk        sync.Mutex
 	addresses []address.Address
diff --git a/node/builder.go b/node/builder.go
index f6f1a83bf..5c840aa3c 100644
--- a/node/builder.go
+++ b/node/builder.go
@@ -256,7 +256,7 @@ func Online() Option {
 			Override(new(storagemarket.StorageClientNode), storageadapter.NewClientNodeAdapter),
 			Override(RegisterClientValidatorKey, modules.RegisterClientValidator),
 			Override(RunDealClientKey, modules.RunDealClient),
-			Override(new(beacon.DrandBeacon), modules.RandomBeacon),
+			Override(new(beacon.RandomBeacon), modules.RandomBeacon),
 
 			Override(new(*paychmgr.Store), paychmgr.NewStore),
 			Override(new(*paychmgr.Manager), paychmgr.NewManager),
diff --git a/node/modules/chain.go b/node/modules/chain.go
index f0d87df37..fee18ea30 100644
--- a/node/modules/chain.go
+++ b/node/modules/chain.go
@@ -142,7 +142,7 @@ func NetworkName(mctx helpers.MetricsCtx, lc fx.Lifecycle, cs *store.ChainStore,
 	return netName, err
 }
 
-func NewSyncer(lc fx.Lifecycle, sm *stmgr.StateManager, bsync *blocksync.BlockSync, h host.Host, beacon beacon.DrandBeacon) (*chain.Syncer, error) {
+func NewSyncer(lc fx.Lifecycle, sm *stmgr.StateManager, bsync *blocksync.BlockSync, h host.Host, beacon beacon.RandomBeacon) (*chain.Syncer, error) {
 	syncer, err := chain.NewSyncer(sm, bsync, h.ConnManager(), h.ID(), beacon)
 	if err != nil {
 		return nil, err
diff --git a/node/modules/services.go b/node/modules/services.go
index 2160a3b50..774c0a6fe 100644
--- a/node/modules/services.go
+++ b/node/modules/services.go
@@ -2,7 +2,6 @@ package modules
 
 import (
 	"context"
-	"fmt"
 	"time"
 
 	eventbus "github.com/libp2p/go-eventbus"
@@ -118,7 +117,6 @@ func RetrievalResolver(l *discovery.Local) retrievalmarket.PeerResolver {
 	return discovery.Multi(l)
 }
 
-func RandomBeacon() beacon.DrandBeacon {
-	fmt.Println("RANDOM BEACON!")
+func RandomBeacon() beacon.RandomBeacon {
 	return beacon.NewMockBeacon(build.BlockDelay * time.Second)
 }
diff --git a/node/modules/storageminer.go b/node/modules/storageminer.go
index 9d3fb7333..0b041e5ae 100644
--- a/node/modules/storageminer.go
+++ b/node/modules/storageminer.go
@@ -258,7 +258,7 @@ func StagingGraphsync(mctx helpers.MetricsCtx, lc fx.Lifecycle, ibs dtypes.Stagi
 	return gs
 }
 
-func SetupBlockProducer(lc fx.Lifecycle, ds dtypes.MetadataDS, api lapi.FullNode, epp gen.ElectionPoStProver, beacon beacon.DrandBeacon) (*miner.Miner, error) {
+func SetupBlockProducer(lc fx.Lifecycle, ds dtypes.MetadataDS, api lapi.FullNode, epp gen.ElectionPoStProver, beacon beacon.RandomBeacon) (*miner.Miner, error) {
 	minerAddr, err := minerAddrFromDS(ds)
 	if err != nil {
 		return nil, err