diff --git a/Cargo.lock b/Cargo.lock
index 60089b43..a83b1581 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -179,6 +179,22 @@ version = "0.13.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "904dfeac50f3cdaba28fc6f57fdcddb75f49ed61346676a78c4ffe55877802fd"
 
+[[package]]
+name = "bip32"
+version = "0.2.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "c2d0f0fc59c7ba0333eed9dcc1b6980baa7b7a4dc7c6c5885994d0674f7adf34"
+dependencies = [
+ "bs58",
+ "hkd32",
+ "hmac 0.11.0",
+ "k256",
+ "ripemd160",
+ "sha2",
+ "subtle",
+ "zeroize",
+]
+
 [[package]]
 name = "bitflags"
 version = "1.3.2"
@@ -211,6 +227,15 @@ version = "0.2.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "8d696c370c750c948ada61c69a0ee2cbbb9c50b1019ddb86d9317157a99c2cae"
 
+[[package]]
+name = "bs58"
+version = "0.4.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "771fe0050b883fcc3ea2359b1a96bcfbc090b7116eae7c3c512c7a083fdf23d3"
+dependencies = [
+ "sha2",
+]
+
 [[package]]
 name = "bumpalo"
 version = "3.7.1"
@@ -370,6 +395,39 @@ version = "0.8.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "ea221b5284a47e40033bf9b66f35f984ec0ea2931eb03505246cd27a963f981b"
 
+[[package]]
+name = "cosmos-sdk-proto"
+version = "0.7.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "676c5bae3939f3a7cbda3ff160fdcf85bbc997cb95dde092c2709099077564d8"
+dependencies = [
+ "prost",
+ "prost-types",
+ "tendermint-proto",
+]
+
+[[package]]
+name = "cosmrs"
+version = "0.2.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "0f3e08699be80cce88bcfd87a3c87628a7b4cd5a52362816ba9f3712fedbf34c"
+dependencies = [
+ "bip32",
+ "cosmos-sdk-proto",
+ "ecdsa",
+ "eyre",
+ "getrandom 0.2.3",
+ "k256",
+ "prost",
+ "prost-types",
+ "rand_core 0.6.3",
+ "serde",
+ "serde_json",
+ "subtle-encoding",
+ "tendermint",
+ "thiserror",
+]
+
 [[package]]
 name = "cpufeatures"
 version = "0.2.1"
@@ -923,6 +981,7 @@ checksum = "84f2a5541afe0725f0b95619d6af614f48c1b176385b8aa30918cfb8c4bfafc8"
 dependencies = [
  "hmac 0.11.0",
  "once_cell",
+ "pbkdf2",
  "rand_core 0.6.3",
  "sha2",
  "zeroize",
@@ -2417,6 +2476,7 @@ dependencies = [
  "bytes 0.5.6",
  "bytes 1.1.0",
  "chrono",
+ "cosmrs",
  "ed25519-dalek",
  "eyre",
  "getrandom 0.1.16",
diff --git a/Cargo.toml b/Cargo.toml
index b08573b7..8dbf1bdc 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -20,6 +20,7 @@ abscissa_tokio = { version = "=0.6.0-pre.2", optional = true }
 bytes_v0_5 = { version = "0.5", package = "bytes" }
 bytes = "1"
 chrono = "0.4"
+cosmrs = "0.2.1"
 ed25519-dalek = "1"
 eyre = "0.6"
 getrandom = "0.1"