diff --git a/Cargo.lock b/Cargo.lock
index 7e7b47971b..e18aca859e 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -3281,6 +3281,7 @@ dependencies = [
  "core_affinity 0.5.9 (registry+https://github.com/rust-lang/crates.io-index)",
  "crc 1.9.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "crossbeam-channel 0.3.9 (registry+https://github.com/rust-lang/crates.io-index)",
+ "ed25519-dalek 1.0.0-pre.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "fs_extra 1.1.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "hex-literal 0.2.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "indexmap 1.1.0 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -3312,7 +3313,6 @@ dependencies = [
  "solana-chacha-sys 0.21.0",
  "solana-client 0.21.0",
  "solana-drone 0.21.0",
- "solana-ed25519-dalek 0.2.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "solana-ledger 0.21.0",
  "solana-logger 0.21.0",
  "solana-measure 0.21.0",
@@ -3347,6 +3347,7 @@ dependencies = [
  "bytes 0.4.12 (registry+https://github.com/rust-lang/crates.io-index)",
  "cc 1.0.47 (registry+https://github.com/rust-lang/crates.io-index)",
  "curve25519-dalek 1.2.3 (registry+https://github.com/rust-lang/crates.io-index)",
+ "ed25519-dalek 1.0.0-pre.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "either 1.5.3 (registry+https://github.com/rust-lang/crates.io-index)",
  "failure 0.1.5 (registry+https://github.com/rust-lang/crates.io-index)",
  "lazy_static 1.4.0 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -3355,7 +3356,6 @@ dependencies = [
  "regex-syntax 0.6.12 (registry+https://github.com/rust-lang/crates.io-index)",
  "reqwest 0.9.22 (registry+https://github.com/rust-lang/crates.io-index)",
  "serde 1.0.102 (registry+https://github.com/rust-lang/crates.io-index)",
- "solana-ed25519-dalek 0.2.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "syn 0.15.42 (registry+https://github.com/rust-lang/crates.io-index)",
  "syn 1.0.3 (registry+https://github.com/rust-lang/crates.io-index)",
  "tokio 0.1.22 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -3380,19 +3380,6 @@ dependencies = [
  "tokio-codec 0.1.1 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
-[[package]]
-name = "solana-ed25519-dalek"
-version = "0.2.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-dependencies = [
- "clear_on_drop 0.2.3 (registry+https://github.com/rust-lang/crates.io-index)",
- "curve25519-dalek 1.2.3 (registry+https://github.com/rust-lang/crates.io-index)",
- "failure 0.1.5 (registry+https://github.com/rust-lang/crates.io-index)",
- "rand 0.6.5 (registry+https://github.com/rust-lang/crates.io-index)",
- "serde 1.0.102 (registry+https://github.com/rust-lang/crates.io-index)",
- "sha2 0.8.0 (registry+https://github.com/rust-lang/crates.io-index)",
-]
-
 [[package]]
 name = "solana-exchange-api"
 version = "0.21.0"
@@ -3549,6 +3536,7 @@ dependencies = [
  "dir-diff 0.3.2 (registry+https://github.com/rust-lang/crates.io-index)",
  "dlopen 0.1.8 (registry+https://github.com/rust-lang/crates.io-index)",
  "dlopen_derive 0.1.4 (registry+https://github.com/rust-lang/crates.io-index)",
+ "ed25519-dalek 1.0.0-pre.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "fs_extra 1.1.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "itertools 0.8.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "lazy_static 1.4.0 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -3563,7 +3551,6 @@ dependencies = [
  "serde_derive 1.0.102 (registry+https://github.com/rust-lang/crates.io-index)",
  "sha2 0.8.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "solana-budget-api 0.21.0",
- "solana-ed25519-dalek 0.2.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "solana-genesis-programs 0.21.0",
  "solana-logger 0.21.0",
  "solana-measure 0.21.0",
@@ -3849,6 +3836,7 @@ dependencies = [
  "bs58 0.3.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "byteorder 1.3.2 (registry+https://github.com/rust-lang/crates.io-index)",
  "chrono 0.4.9 (registry+https://github.com/rust-lang/crates.io-index)",
+ "ed25519-dalek 1.0.0-pre.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "generic-array 0.13.2 (registry+https://github.com/rust-lang/crates.io-index)",
  "hex 0.4.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "itertools 0.8.1 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -3865,7 +3853,6 @@ dependencies = [
  "serde_json 1.0.41 (registry+https://github.com/rust-lang/crates.io-index)",
  "sha2 0.8.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "solana-crate-features 0.21.0",
- "solana-ed25519-dalek 0.2.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "solana-logger 0.21.0",
  "untrusted 0.7.0 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
@@ -3877,10 +3864,11 @@ dependencies = [
  "bincode 1.2.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "bs58 0.3.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "cbindgen 0.9.1 (registry+https://github.com/rust-lang/crates.io-index)",
+ "ed25519-dalek 1.0.0-pre.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "libc 0.2.65 (registry+https://github.com/rust-lang/crates.io-index)",
  "rand_chacha 0.1.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "rand_core 0.3.1 (registry+https://github.com/rust-lang/crates.io-index)",
- "solana-ed25519-dalek 0.2.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "sha2 0.8.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "solana-sdk 0.21.0",
 ]
 
@@ -5716,7 +5704,6 @@ dependencies = [
 "checksum slog-term 2.4.1 (registry+https://github.com/rust-lang/crates.io-index)" = "cb9b3fd9a3c2c86580fce3558a98ed7c69039da0288b08a3f15b371635254e08"
 "checksum smallvec 0.6.10 (registry+https://github.com/rust-lang/crates.io-index)" = "ab606a9c5e214920bb66c458cd7be8ef094f813f20fe77a54cc7dbfff220d4b7"
 "checksum socket2 0.3.11 (registry+https://github.com/rust-lang/crates.io-index)" = "e8b74de517221a2cb01a53349cf54182acdc31a074727d3079068448c0676d85"
-"checksum solana-ed25519-dalek 0.2.0 (registry+https://github.com/rust-lang/crates.io-index)" = "1c21f9d5aa62959872194dfd086feb4e8efec1c2589d27e6a0339904759e99fc"
 "checksum solana-reed-solomon-erasure 4.0.1-3 (registry+https://github.com/rust-lang/crates.io-index)" = "d5b3ab3f4dd12af687a7d0d0ee73299cbc06ed3aada42dccac26fe243e73399e"
 "checksum solana_libra_bytecode_verifier 0.0.1-sol4 (registry+https://github.com/rust-lang/crates.io-index)" = "79c3b7e9555da6f04a3f542a40e92bbbd46d0f05bd270ae3ff8c0283c329a179"
 "checksum solana_libra_canonical_serialization 0.0.1-sol4 (registry+https://github.com/rust-lang/crates.io-index)" = "c674689dd2d17b0bab49501f0d63ec71b3e1f8fab2eae86174e37768435a54aa"
diff --git a/cli/src/cli.rs b/cli/src/cli.rs
index 4fe3b58162..c276cbaae5 100644
--- a/cli/src/cli.rs
+++ b/cli/src/cli.rs
@@ -43,6 +43,28 @@ use std::{
 
 const USERDATA_CHUNK_SIZE: usize = 229; // Keep program chunks under PACKET_DATA_SIZE
 
+#[derive(Debug)]
+pub struct KeypairEq(Keypair);
+
+impl From<Keypair> for KeypairEq {
+    fn from(keypair: Keypair) -> Self {
+        Self(keypair)
+    }
+}
+
+impl PartialEq for KeypairEq {
+    fn eq(&self, other: &Self) -> bool {
+        self.pubkey() == other.pubkey()
+    }
+}
+
+impl std::ops::Deref for KeypairEq {
+    type Target = Keypair;
+    fn deref(&self) -> &Self::Target {
+        &self.0
+    }
+}
+
 #[derive(Debug, PartialEq)]
 #[allow(clippy::large_enum_variant)]
 pub enum CliCommand {
@@ -66,7 +88,7 @@ pub enum CliCommand {
     Deploy(String),
     // Stake Commands
     CreateStakeAccount {
-        stake_account: Keypair,
+        stake_account: KeypairEq,
         staker: Option<Pubkey>,
         withdrawer: Option<Pubkey>,
         lockup: Lockup,
@@ -87,7 +109,7 @@ pub enum CliCommand {
     // Storage Commands
     CreateStorageAccount {
         account_owner: Pubkey,
-        storage_account: Keypair,
+        storage_account: KeypairEq,
         account_type: StorageAccountType,
     },
     ClaimStorageReward {
@@ -104,7 +126,7 @@ pub enum CliCommand {
     },
     // Vote Commands
     CreateVoteAccount {
-        vote_account: Keypair,
+        vote_account: KeypairEq,
         node_pubkey: Pubkey,
         authorized_voter: Option<Pubkey>,
         authorized_withdrawer: Option<Pubkey>,
@@ -1796,7 +1818,7 @@ mod tests {
         let bob_pubkey = bob_keypair.pubkey();
         let node_pubkey = Pubkey::new_rand();
         config.command = CliCommand::CreateVoteAccount {
-            vote_account: bob_keypair,
+            vote_account: bob_keypair.into(),
             node_pubkey,
             authorized_voter: Some(bob_pubkey),
             authorized_withdrawer: Some(bob_pubkey),
@@ -1815,7 +1837,7 @@ mod tests {
         let bob_pubkey = bob_keypair.pubkey();
         let custodian = Pubkey::new_rand();
         config.command = CliCommand::CreateStakeAccount {
-            stake_account: bob_keypair,
+            stake_account: bob_keypair.into(),
             staker: None,
             withdrawer: None,
             lockup: Lockup { slot: 0, custodian },
@@ -1961,7 +1983,7 @@ mod tests {
 
         let bob_keypair = Keypair::new();
         config.command = CliCommand::CreateVoteAccount {
-            vote_account: bob_keypair,
+            vote_account: bob_keypair.into(),
             node_pubkey,
             authorized_voter: Some(bob_pubkey),
             authorized_withdrawer: Some(bob_pubkey),
diff --git a/cli/src/input_parsers.rs b/cli/src/input_parsers.rs
index 1cf23abcb7..9356030b3e 100644
--- a/cli/src/input_parsers.rs
+++ b/cli/src/input_parsers.rs
@@ -125,14 +125,17 @@ mod tests {
         let matches = app()
             .clone()
             .get_matches_from(vec!["test", "--single", &outfile]);
-        assert_eq!(keypair_of(&matches, "single"), Some(keypair));
-        assert_eq!(keypair_of(&matches, "multiple"), None);
+        assert_eq!(
+            keypair_of(&matches, "single").unwrap().pubkey(),
+            keypair.pubkey()
+        );
+        assert!(keypair_of(&matches, "multiple").is_none());
 
         let matches =
             app()
                 .clone()
                 .get_matches_from(vec!["test", "--single", "random_keypair_file.json"]);
-        assert_eq!(keypair_of(&matches, "single"), None);
+        assert!(keypair_of(&matches, "single").is_none());
 
         fs::remove_file(&outfile).unwrap();
     }
diff --git a/cli/src/stake.rs b/cli/src/stake.rs
index 37f4daf9a7..4d97f5aa25 100644
--- a/cli/src/stake.rs
+++ b/cli/src/stake.rs
@@ -283,7 +283,7 @@ pub fn parse_stake_create_account(matches: &ArgMatches<'_>) -> Result<CliCommand
 
     Ok(CliCommandInfo {
         command: CliCommand::CreateStakeAccount {
-            stake_account,
+            stake_account: stake_account.into(),
             staker,
             withdrawer,
             lockup: Lockup { custodian, slot },
@@ -788,7 +788,7 @@ mod tests {
             parse_command(&test_create_stake_account).unwrap(),
             CliCommandInfo {
                 command: CliCommand::CreateStakeAccount {
-                    stake_account: stake_account_keypair,
+                    stake_account: stake_account_keypair.into(),
                     staker: Some(authorized),
                     withdrawer: Some(authorized),
                     lockup: Lockup {
@@ -819,7 +819,7 @@ mod tests {
             parse_command(&test_create_stake_account2).unwrap(),
             CliCommandInfo {
                 command: CliCommand::CreateStakeAccount {
-                    stake_account: stake_account_keypair,
+                    stake_account: stake_account_keypair.into(),
                     staker: None,
                     withdrawer: None,
                     lockup: Lockup {
diff --git a/cli/src/storage.rs b/cli/src/storage.rs
index db22e6084c..614aeeec1a 100644
--- a/cli/src/storage.rs
+++ b/cli/src/storage.rs
@@ -107,7 +107,7 @@ pub fn parse_storage_create_archiver_account(
     Ok(CliCommandInfo {
         command: CliCommand::CreateStorageAccount {
             account_owner,
-            storage_account,
+            storage_account: storage_account.into(),
             account_type: StorageAccountType::Archiver,
         },
         require_keypair: true,
@@ -122,7 +122,7 @@ pub fn parse_storage_create_validator_account(
     Ok(CliCommandInfo {
         command: CliCommand::CreateStorageAccount {
             account_owner,
-            storage_account,
+            storage_account: storage_account.into(),
             account_type: StorageAccountType::Validator,
         },
         require_keypair: true,
@@ -257,7 +257,7 @@ mod tests {
             CliCommandInfo {
                 command: CliCommand::CreateStorageAccount {
                     account_owner: pubkey,
-                    storage_account: storage_account_keypair,
+                    storage_account: storage_account_keypair.into(),
                     account_type: StorageAccountType::Archiver,
                 },
                 require_keypair: true
@@ -281,7 +281,7 @@ mod tests {
             CliCommandInfo {
                 command: CliCommand::CreateStorageAccount {
                     account_owner: pubkey,
-                    storage_account: storage_account_keypair,
+                    storage_account: storage_account_keypair.into(),
                     account_type: StorageAccountType::Validator,
                 },
                 require_keypair: true
diff --git a/cli/src/vote.rs b/cli/src/vote.rs
index 789d569ecc..09436ed435 100644
--- a/cli/src/vote.rs
+++ b/cli/src/vote.rs
@@ -170,7 +170,7 @@ pub fn parse_vote_create_account(matches: &ArgMatches<'_>) -> Result<CliCommandI
 
     Ok(CliCommandInfo {
         command: CliCommand::CreateVoteAccount {
-            vote_account,
+            vote_account: vote_account.into(),
             node_pubkey,
             authorized_voter,
             authorized_withdrawer,
@@ -479,7 +479,7 @@ mod tests {
             parse_command(&test_create_vote_account).unwrap(),
             CliCommandInfo {
                 command: CliCommand::CreateVoteAccount {
-                    vote_account: keypair,
+                    vote_account: keypair.into(),
                     node_pubkey,
                     authorized_voter: None,
                     authorized_withdrawer: None,
@@ -503,7 +503,7 @@ mod tests {
             parse_command(&test_create_vote_account2).unwrap(),
             CliCommandInfo {
                 command: CliCommand::CreateVoteAccount {
-                    vote_account: keypair,
+                    vote_account: keypair.into(),
                     node_pubkey,
                     authorized_voter: None,
                     authorized_withdrawer: None,
@@ -531,7 +531,7 @@ mod tests {
             parse_command(&test_create_vote_account3).unwrap(),
             CliCommandInfo {
                 command: CliCommand::CreateVoteAccount {
-                    vote_account: keypair,
+                    vote_account: keypair.into(),
                     node_pubkey,
                     authorized_voter: Some(authed),
                     authorized_withdrawer: None,
@@ -557,7 +557,7 @@ mod tests {
             parse_command(&test_create_vote_account4).unwrap(),
             CliCommandInfo {
                 command: CliCommand::CreateVoteAccount {
-                    vote_account: keypair,
+                    vote_account: keypair.into(),
                     node_pubkey,
                     authorized_voter: None,
                     authorized_withdrawer: Some(authed),
diff --git a/core/Cargo.toml b/core/Cargo.toml
index d61248a0ec..e8630f3295 100644
--- a/core/Cargo.toml
+++ b/core/Cargo.toml
@@ -50,7 +50,7 @@ solana-budget-program = { path = "../programs/budget_program", version = "0.21.0
 solana-chacha-sys = { path = "../chacha-sys", version = "0.21.0" }
 solana-client = { path = "../client", version = "0.21.0" }
 solana-drone = { path = "../drone", version = "0.21.0" }
-solana-ed25519-dalek = "0.2.0"
+ed25519-dalek = "1.0.0-pre.1"
 solana-ledger = { path = "../ledger", version = "0.21.0" }
 solana-logger = { path = "../logger", version = "0.21.0" }
 solana-merkle-tree = { path = "../merkle-tree", version = "0.21.0" }
diff --git a/core/src/archiver.rs b/core/src/archiver.rs
index e42ecd704c..64786ea23e 100644
--- a/core/src/archiver.rs
+++ b/core/src/archiver.rs
@@ -16,10 +16,10 @@ use crate::{
     window_service::WindowService,
 };
 use crossbeam_channel::unbounded;
+use ed25519_dalek;
 use rand::{thread_rng, Rng, SeedableRng};
 use rand_chacha::ChaChaRng;
 use solana_client::{rpc_client::RpcClient, rpc_request::RpcRequest, thin_client::ThinClient};
-use solana_ed25519_dalek as ed25519_dalek;
 use solana_ledger::{
     blocktree::Blocktree, leader_schedule_cache::LeaderScheduleCache, shred::Shred,
 };
diff --git a/core/src/gen_keys.rs b/core/src/gen_keys.rs
index afbe05c882..89c2d92a13 100644
--- a/core/src/gen_keys.rs
+++ b/core/src/gen_keys.rs
@@ -1,4 +1,4 @@
-//! The `signature` module provides functionality for public, and private keys.
+//! The `gen_keys` module makes lots of keypairs
 
 use rand::{Rng, SeedableRng};
 use rand_chacha::ChaChaRng;
diff --git a/crate-features/Cargo.toml b/crate-features/Cargo.toml
index 635bb92222..fb94c21e9f 100644
--- a/crate-features/Cargo.toml
+++ b/crate-features/Cargo.toml
@@ -21,7 +21,7 @@ rand_chacha = { version = "0.1.1" }
 regex-syntax = { version = "0.6.12" }
 reqwest = { version = "0.9.20", default-features = false, features = ["rustls-tls"] }
 serde = { version = "1.0.100", features = ["rc"] }
-solana-ed25519-dalek = { version = "0.2.0", features = ["serde"] }
+ed25519-dalek = { version = "1.0.0-pre.1", features = ["serde"] }
 syn_0_15 = { package = "syn", version = "0.15.42", features = ["extra-traits", "fold", "full"] }
 syn_1_0 = { package = "syn", version = "1.0.3", features = ["extra-traits", "fold", "full"] }
 tokio = { version = "0.1.22",features=["bytes", "codec", "default", "fs", "io", "mio", "num_cpus", "reactor", "rt-full", "sync", "tcp", "timer", "tokio-codec", "tokio-current-thread", "tokio-executor", "tokio-io", "tokio-io", "tokio-reactor", "tokio-tcp", "tokio-tcp", "tokio-threadpool", "tokio-timer", "tokio-udp", "tokio-uds", "udp", "uds"] }
diff --git a/ledger/Cargo.toml b/ledger/Cargo.toml
index 9828d218f3..cc6560c984 100644
--- a/ledger/Cargo.toml
+++ b/ledger/Cargo.toml
@@ -34,7 +34,7 @@ solana-measure = { path = "../measure", version = "0.21.0" }
 solana-merkle-tree = { path = "../merkle-tree", version = "0.21.0" }
 solana-metrics = { path = "../metrics", version = "0.21.0" }
 solana-perf = { path = "../perf", version = "0.21.0" }
-solana-ed25519-dalek = "0.2.0"
+ed25519-dalek = "1.0.0-pre.1"
 solana-rayon-threadlimit = { path = "../rayon-threadlimit", version = "0.21.0" }
 solana-runtime = { path = "../runtime", version = "0.21.0" }
 solana-sdk = { path = "../sdk", version = "0.21.0" }
diff --git a/ledger/src/sigverify_shreds.rs b/ledger/src/sigverify_shreds.rs
index 98de0f7d52..7bfb896a6c 100644
--- a/ledger/src/sigverify_shreds.rs
+++ b/ledger/src/sigverify_shreds.rs
@@ -1,24 +1,24 @@
 #![allow(clippy::implicit_hasher)]
 use crate::shred::ShredType;
-use rayon::iter::IndexedParallelIterator;
-use rayon::iter::IntoParallelIterator;
-use rayon::iter::IntoParallelRefMutIterator;
-use rayon::iter::ParallelIterator;
-use rayon::ThreadPool;
+use ed25519_dalek::{Keypair, PublicKey, SecretKey};
+use rayon::{
+    iter::{
+        IndexedParallelIterator, IntoParallelIterator, IntoParallelRefMutIterator, ParallelIterator,
+    },
+    ThreadPool,
+};
 use sha2::{Digest, Sha512};
-use solana_ed25519_dalek::{Keypair, PublicKey, SecretKey};
 use solana_metrics::inc_new_counter_debug;
-use solana_perf::cuda_runtime::PinnedVec;
-use solana_perf::packet::{limited_deserialize, Packet, Packets};
-use solana_perf::perf_libs;
-use solana_perf::recycler::Recycler;
-use solana_perf::sigverify::{self, TxOffset};
+use solana_perf::{
+    cuda_runtime::PinnedVec,
+    packet::{limited_deserialize, Packet, Packets},
+    perf_libs,
+    recycler::Recycler,
+    sigverify::{self, TxOffset},
+};
 use solana_rayon_threadlimit::get_thread_count;
 use solana_sdk::signature::Signature;
-use std::collections::HashMap;
-use std::mem::size_of;
-
-use std::cell::RefCell;
+use std::{cell::RefCell, collections::HashMap, mem::size_of};
 
 thread_local!(static PAR_THREAD_POOL: RefCell<ThreadPool> = RefCell::new(rayon::ThreadPoolBuilder::new()
                     .num_threads(get_thread_count())
diff --git a/sdk-c/Cargo.toml b/sdk-c/Cargo.toml
index 735d31386f..24892c0063 100644
--- a/sdk-c/Cargo.toml
+++ b/sdk-c/Cargo.toml
@@ -19,7 +19,8 @@ libc = "0.2.65"
 rand_chacha = "0.1.1"
 rand_core = { version = ">=0.2, <0.4", default-features = false }
 solana-sdk = { path = "../sdk", version = "0.21.0" }
-solana-ed25519-dalek = "0.2.0"
+ed25519-dalek = "1.0.0-pre.1"
+sha2 = "0.8.0"
 
 [build-dependencies]
 cbindgen = "0.9.1"
\ No newline at end of file
diff --git a/sdk-c/src/lib.rs b/sdk-c/src/lib.rs
index 09162da1a3..d74a6214cb 100644
--- a/sdk-c/src/lib.rs
+++ b/sdk-c/src/lib.rs
@@ -1,21 +1,23 @@
 use bincode::{deserialize, serialize};
+use ed25519_dalek::{SignatureError, KEYPAIR_LENGTH, PUBLIC_KEY_LENGTH};
 use libc::{c_int, size_t};
 use rand_chacha::ChaChaRng;
 use rand_core::SeedableRng;
-use solana_ed25519_dalek::{SignatureError, KEYPAIR_LENGTH, PUBLIC_KEY_LENGTH};
-use solana_sdk::hash::Hash;
-use solana_sdk::instruction::CompiledInstruction as CompiledInstructionNative;
-use solana_sdk::message::Message as MessageNative;
-use solana_sdk::message::MessageHeader as MessageHeaderNative;
-use solana_sdk::pubkey::Pubkey;
-use solana_sdk::signature::Signature as SignatureNative;
-use solana_sdk::signature::{Keypair as KeypairNative, KeypairUtil};
-use solana_sdk::transaction::Transaction as TransactionNative;
-use std::convert::TryInto;
-use std::ffi::CString;
-use std::os::raw::c_char;
-use std::vec::Vec;
-use std::{fmt, mem, ptr, slice};
+use solana_sdk::{
+    hash::Hash,
+    instruction::CompiledInstruction as CompiledInstructionNative,
+    message::{Message as MessageNative, MessageHeader as MessageHeaderNative},
+    pubkey::Pubkey,
+    signature::{Keypair as KeypairNative, KeypairUtil, Signature as SignatureNative},
+    transaction::Transaction as TransactionNative,
+};
+use std::{
+    convert::TryInto,
+    ffi::CString,
+    os::raw::c_char,
+    vec::Vec,
+    {fmt, mem, ptr, slice},
+};
 
 #[repr(C)]
 #[derive(Debug)]
@@ -481,7 +483,7 @@ mod tests {
         let mut rng = ChaChaRng::from_seed(seed);
         let keypair = KeypairNative::generate(&mut rng);
         let c_keypair = unsafe { Box::from_raw(generate_keypair(seed.as_ptr())) };
-        assert_eq!(c_keypair.new_native(), Ok(keypair));
+        assert_eq!(c_keypair.new_native().unwrap().pubkey(), keypair.pubkey());
     }
 
     #[test]
diff --git a/sdk/Cargo.toml b/sdk/Cargo.toml
index ce1910e7b0..b68b680cdf 100644
--- a/sdk/Cargo.toml
+++ b/sdk/Cargo.toml
@@ -21,7 +21,7 @@ default = [
     "rand_chacha",
     "rayon",
     "serde_json",
-    "solana-ed25519-dalek",
+    "ed25519-dalek",
     "solana-logger",
     "untrusted",
     "solana-crate-features"
@@ -48,7 +48,7 @@ serde_bytes = "0.11"
 serde_derive = "1.0.102"
 serde_json = { version = "1.0.41", optional = true }
 sha2 = "0.8.0"
-solana-ed25519-dalek = { version = "0.2.0", optional = true }
+ed25519-dalek = { version = "1.0.0-pre.1", optional = true }
 solana-logger = { path = "../logger", version = "0.21.0", optional = true }
 untrusted = { version = "0.7.0", optional = true }
 solana-crate-features = { path = "../crate-features", version = "0.21.0", optional = true }
diff --git a/sdk/src/signature.rs b/sdk/src/signature.rs
index bcbfd30444..da2394528e 100644
--- a/sdk/src/signature.rs
+++ b/sdk/src/signature.rs
@@ -2,20 +2,19 @@
 
 use crate::pubkey::Pubkey;
 use bs58;
-use generic_array::typenum::U64;
-use generic_array::GenericArray;
+use ed25519_dalek;
+use generic_array::{typenum::U64, GenericArray};
 use rand::rngs::OsRng;
 use serde_json;
-use solana_ed25519_dalek as ed25519_dalek;
-use std::borrow::Borrow;
-use std::borrow::Cow;
-use std::error;
-use std::fmt;
-use std::fs::{self, File};
-use std::io::{Read, Write};
-use std::mem;
-use std::path::Path;
-use std::str::FromStr;
+use std::{
+    borrow::{Borrow, Cow},
+    error, fmt,
+    fs::{self, File},
+    io::{Read, Write},
+    mem,
+    path::Path,
+    str::FromStr,
+};
 
 pub type Keypair = ed25519_dalek::Keypair;
 
@@ -117,7 +116,7 @@ impl KeypairUtil for Keypair {
 
     /// Return the public key for the given keypair
     fn pubkey(&self) -> Pubkey {
-        Pubkey::new(&self.public.as_ref())
+        Pubkey::new(self.public.as_ref())
     }
 
     fn sign_message(&self, message: &[u8]) -> Signature {