diff --git a/Cargo.lock b/Cargo.lock
index 7d573b9377..d7fc33f642 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -655,7 +655,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 
 [[package]]
 name = "grin"
-version = "1.1.0"
+version = "2.0.0-beta.1"
 dependencies = [
  "blake2-rfc 0.2.18 (registry+https://github.com/rust-lang/crates.io-index)",
  "built 0.3.0 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -665,15 +665,15 @@ dependencies = [
  "cursive 0.12.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "failure 0.1.5 (registry+https://github.com/rust-lang/crates.io-index)",
  "failure_derive 0.1.5 (registry+https://github.com/rust-lang/crates.io-index)",
- "grin_api 1.1.0",
- "grin_chain 1.1.0",
- "grin_config 1.1.0",
- "grin_core 1.1.0",
- "grin_keychain 1.1.0",
- "grin_p2p 1.1.0",
- "grin_servers 1.1.0",
- "grin_store 1.1.0",
- "grin_util 1.1.0",
+ "grin_api 2.0.0-beta.1",
+ "grin_chain 2.0.0-beta.1",
+ "grin_config 2.0.0-beta.1",
+ "grin_core 2.0.0-beta.1",
+ "grin_keychain 2.0.0-beta.1",
+ "grin_p2p 2.0.0-beta.1",
+ "grin_servers 2.0.0-beta.1",
+ "grin_store 2.0.0-beta.1",
+ "grin_util 2.0.0-beta.1",
  "humansize 1.1.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "log 0.4.6 (registry+https://github.com/rust-lang/crates.io-index)",
  "pancurses 0.16.1 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -684,17 +684,17 @@ dependencies = [
 
 [[package]]
 name = "grin_api"
-version = "1.1.0"
+version = "2.0.0-beta.1"
 dependencies = [
  "failure 0.1.5 (registry+https://github.com/rust-lang/crates.io-index)",
  "failure_derive 0.1.5 (registry+https://github.com/rust-lang/crates.io-index)",
  "futures 0.1.26 (registry+https://github.com/rust-lang/crates.io-index)",
- "grin_chain 1.1.0",
- "grin_core 1.1.0",
- "grin_p2p 1.1.0",
- "grin_pool 1.1.0",
- "grin_store 1.1.0",
- "grin_util 1.1.0",
+ "grin_chain 2.0.0-beta.1",
+ "grin_core 2.0.0-beta.1",
+ "grin_p2p 2.0.0-beta.1",
+ "grin_pool 2.0.0-beta.1",
+ "grin_store 2.0.0-beta.1",
+ "grin_util 2.0.0-beta.1",
  "http 0.1.17 (registry+https://github.com/rust-lang/crates.io-index)",
  "hyper 0.12.27 (registry+https://github.com/rust-lang/crates.io-index)",
  "hyper-rustls 0.14.0 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -715,7 +715,7 @@ dependencies = [
 
 [[package]]
 name = "grin_chain"
-version = "1.1.0"
+version = "2.0.0-beta.1"
 dependencies = [
  "bitflags 1.0.4 (registry+https://github.com/rust-lang/crates.io-index)",
  "byteorder 1.3.1 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -724,10 +724,10 @@ dependencies = [
  "env_logger 0.5.13 (registry+https://github.com/rust-lang/crates.io-index)",
  "failure 0.1.5 (registry+https://github.com/rust-lang/crates.io-index)",
  "failure_derive 0.1.5 (registry+https://github.com/rust-lang/crates.io-index)",
- "grin_core 1.1.0",
- "grin_keychain 1.1.0",
- "grin_store 1.1.0",
- "grin_util 1.1.0",
+ "grin_core 2.0.0-beta.1",
+ "grin_keychain 2.0.0-beta.1",
+ "grin_store 2.0.0-beta.1",
+ "grin_util 2.0.0-beta.1",
  "lazy_static 1.3.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "log 0.4.6 (registry+https://github.com/rust-lang/crates.io-index)",
  "lru-cache 0.1.2 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -739,13 +739,13 @@ dependencies = [
 
 [[package]]
 name = "grin_config"
-version = "1.1.0"
+version = "2.0.0-beta.1"
 dependencies = [
  "dirs 1.0.5 (registry+https://github.com/rust-lang/crates.io-index)",
- "grin_core 1.1.0",
- "grin_p2p 1.1.0",
- "grin_servers 1.1.0",
- "grin_util 1.1.0",
+ "grin_core 2.0.0-beta.1",
+ "grin_p2p 2.0.0-beta.1",
+ "grin_servers 2.0.0-beta.1",
+ "grin_util 2.0.0-beta.1",
  "pretty_assertions 0.5.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "rand 0.6.5 (registry+https://github.com/rust-lang/crates.io-index)",
  "serde 1.0.90 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -755,7 +755,7 @@ dependencies = [
 
 [[package]]
 name = "grin_core"
-version = "1.1.0"
+version = "2.0.0-beta.1"
 dependencies = [
  "blake2-rfc 0.2.18 (registry+https://github.com/rust-lang/crates.io-index)",
  "byteorder 1.3.1 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -764,8 +764,8 @@ dependencies = [
  "enum_primitive 0.1.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "failure 0.1.5 (registry+https://github.com/rust-lang/crates.io-index)",
  "failure_derive 0.1.5 (registry+https://github.com/rust-lang/crates.io-index)",
- "grin_keychain 1.1.0",
- "grin_util 1.1.0",
+ "grin_keychain 2.0.0-beta.1",
+ "grin_util 2.0.0-beta.1",
  "lazy_static 1.3.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "log 0.4.6 (registry+https://github.com/rust-lang/crates.io-index)",
  "lru-cache 0.1.2 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -781,12 +781,12 @@ dependencies = [
 
 [[package]]
 name = "grin_keychain"
-version = "1.1.0"
+version = "2.0.0-beta.1"
 dependencies = [
  "blake2-rfc 0.2.18 (registry+https://github.com/rust-lang/crates.io-index)",
  "byteorder 1.3.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "digest 0.7.6 (registry+https://github.com/rust-lang/crates.io-index)",
- "grin_util 1.1.0",
+ "grin_util 2.0.0-beta.1",
  "hmac 0.6.3 (registry+https://github.com/rust-lang/crates.io-index)",
  "lazy_static 1.3.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "log 0.4.6 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -803,17 +803,17 @@ dependencies = [
 
 [[package]]
 name = "grin_p2p"
-version = "1.1.0"
+version = "2.0.0-beta.1"
 dependencies = [
  "bitflags 1.0.4 (registry+https://github.com/rust-lang/crates.io-index)",
  "bytes 0.4.12 (registry+https://github.com/rust-lang/crates.io-index)",
  "chrono 0.4.6 (registry+https://github.com/rust-lang/crates.io-index)",
  "enum_primitive 0.1.1 (registry+https://github.com/rust-lang/crates.io-index)",
- "grin_chain 1.1.0",
- "grin_core 1.1.0",
- "grin_pool 1.1.0",
- "grin_store 1.1.0",
- "grin_util 1.1.0",
+ "grin_chain 2.0.0-beta.1",
+ "grin_core 2.0.0-beta.1",
+ "grin_pool 2.0.0-beta.1",
+ "grin_store 2.0.0-beta.1",
+ "grin_util 2.0.0-beta.1",
  "log 0.4.6 (registry+https://github.com/rust-lang/crates.io-index)",
  "net2 0.2.33 (registry+https://github.com/rust-lang/crates.io-index)",
  "num 0.1.42 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -825,17 +825,17 @@ dependencies = [
 
 [[package]]
 name = "grin_pool"
-version = "1.1.0"
+version = "2.0.0-beta.1"
 dependencies = [
  "blake2-rfc 0.2.18 (registry+https://github.com/rust-lang/crates.io-index)",
  "chrono 0.4.6 (registry+https://github.com/rust-lang/crates.io-index)",
  "failure 0.1.5 (registry+https://github.com/rust-lang/crates.io-index)",
  "failure_derive 0.1.5 (registry+https://github.com/rust-lang/crates.io-index)",
- "grin_chain 1.1.0",
- "grin_core 1.1.0",
- "grin_keychain 1.1.0",
- "grin_store 1.1.0",
- "grin_util 1.1.0",
+ "grin_chain 2.0.0-beta.1",
+ "grin_core 2.0.0-beta.1",
+ "grin_keychain 2.0.0-beta.1",
+ "grin_store 2.0.0-beta.1",
+ "grin_util 2.0.0-beta.1",
  "log 0.4.6 (registry+https://github.com/rust-lang/crates.io-index)",
  "rand 0.6.5 (registry+https://github.com/rust-lang/crates.io-index)",
  "serde 1.0.90 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -858,19 +858,19 @@ dependencies = [
 
 [[package]]
 name = "grin_servers"
-version = "1.1.0"
+version = "2.0.0-beta.1"
 dependencies = [
  "chrono 0.4.6 (registry+https://github.com/rust-lang/crates.io-index)",
  "fs2 0.4.3 (registry+https://github.com/rust-lang/crates.io-index)",
  "futures 0.1.26 (registry+https://github.com/rust-lang/crates.io-index)",
- "grin_api 1.1.0",
- "grin_chain 1.1.0",
- "grin_core 1.1.0",
- "grin_keychain 1.1.0",
- "grin_p2p 1.1.0",
- "grin_pool 1.1.0",
- "grin_store 1.1.0",
- "grin_util 1.1.0",
+ "grin_api 2.0.0-beta.1",
+ "grin_chain 2.0.0-beta.1",
+ "grin_core 2.0.0-beta.1",
+ "grin_keychain 2.0.0-beta.1",
+ "grin_p2p 2.0.0-beta.1",
+ "grin_pool 2.0.0-beta.1",
+ "grin_store 2.0.0-beta.1",
+ "grin_util 2.0.0-beta.1",
  "http 0.1.17 (registry+https://github.com/rust-lang/crates.io-index)",
  "hyper 0.12.27 (registry+https://github.com/rust-lang/crates.io-index)",
  "hyper-rustls 0.14.0 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -886,7 +886,7 @@ dependencies = [
 
 [[package]]
 name = "grin_store"
-version = "1.1.0"
+version = "2.0.0-beta.1"
 dependencies = [
  "byteorder 1.3.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "chrono 0.4.6 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -895,8 +895,8 @@ dependencies = [
  "failure 0.1.5 (registry+https://github.com/rust-lang/crates.io-index)",
  "failure_derive 0.1.5 (registry+https://github.com/rust-lang/crates.io-index)",
  "filetime 0.2.4 (registry+https://github.com/rust-lang/crates.io-index)",
- "grin_core 1.1.0",
- "grin_util 1.1.0",
+ "grin_core 2.0.0-beta.1",
+ "grin_util 2.0.0-beta.1",
  "libc 0.2.51 (registry+https://github.com/rust-lang/crates.io-index)",
  "lmdb-zero 0.4.4 (registry+https://github.com/rust-lang/crates.io-index)",
  "log 0.4.6 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -909,7 +909,7 @@ dependencies = [
 
 [[package]]
 name = "grin_util"
-version = "1.1.0"
+version = "2.0.0-beta.1"
 dependencies = [
  "backtrace 0.3.15 (registry+https://github.com/rust-lang/crates.io-index)",
  "base64 0.9.3 (registry+https://github.com/rust-lang/crates.io-index)",
diff --git a/Cargo.toml b/Cargo.toml
index 75ac8495f1..2a351bfaed 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -24,7 +24,7 @@ blake2-rfc = "0.2"
 chrono = "0.4.4"
 clap = { version = "2.31", features = ["yaml"] }
 ctrlc = { version = "3.1", features = ["termination"] }
-humansize = "2.0.0-beta.1"
+humansize = "1.1.0"
 serde = "1"
 serde_json = "1"
 log = "0.4"