diff --git a/Cargo.lock b/Cargo.lock
index a3baf493e..2eff3e352 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -17,6 +17,53 @@ version = "1.0.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "f26201604c87b1e01bd3d98f8d5d9a8fcbb815e8cedb41ffccbeb4bf593a35fe"
 
+[[package]]
+name = "aead"
+version = "0.5.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "d122413f284cf2d62fb1b7db97e02edb8cda96d769b16e443a4f6195e35662b0"
+dependencies = [
+ "crypto-common",
+ "generic-array",
+]
+
+[[package]]
+name = "aes"
+version = "0.8.4"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "b169f7a6d4742236a0a00c541b845991d0ac43e546831af1249753ab4c3aa3a0"
+dependencies = [
+ "cfg-if",
+ "cipher",
+ "cpufeatures",
+]
+
+[[package]]
+name = "aes-gcm"
+version = "0.10.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "831010a0f742e1209b3bcea8fab6a8e149051ba6099432c8cb2cc117dec3ead1"
+dependencies = [
+ "aead",
+ "aes",
+ "cipher",
+ "ctr",
+ "ghash",
+ "subtle",
+]
+
+[[package]]
+name = "ahash"
+version = "0.8.11"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "e89da841a80418a9b391ebaea17f5c112ffaaa96f621d2c285b5174da76b9011"
+dependencies = [
+ "cfg-if",
+ "once_cell",
+ "version_check",
+ "zerocopy",
+]
+
 [[package]]
 name = "aho-corasick"
 version = "1.1.3"
@@ -26,6 +73,12 @@ dependencies = [
  "memchr",
 ]
 
+[[package]]
+name = "allocator-api2"
+version = "0.2.18"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "5c6cb57a04249c6480766f7f7cef5467412af1490f8d1e243141daddada3264f"
+
 [[package]]
 name = "android-tzdata"
 version = "0.1.1"
@@ -532,6 +585,15 @@ version = "0.4.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "771fe0050b883fcc3ea2359b1a96bcfbc090b7116eae7c3c512c7a083fdf23d3"
 
+[[package]]
+name = "bs58"
+version = "0.5.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "bf88ba1141d185c399bee5288d850d63b8369520c1eafc32a0430b5b6c287bf4"
+dependencies = [
+ "tinyvec",
+]
+
 [[package]]
 name = "bumpalo"
 version = "3.16.0"
@@ -603,6 +665,16 @@ dependencies = [
  "windows-targets 0.52.5",
 ]
 
+[[package]]
+name = "cipher"
+version = "0.4.4"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "773f3b9af64447d2ce9850330c473515014aa235e6a783b02db81ff39e4a3dad"
+dependencies = [
+ "crypto-common",
+ "inout",
+]
+
 [[package]]
 name = "clang-sys"
 version = "1.7.0"
@@ -677,9 +749,19 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "1bfb12502f3fc46cca1bb51ac28df9d618d813cdc3d2f25b9fe775a34af26bb3"
 dependencies = [
  "generic-array",
+ "rand_core",
  "typenum",
 ]
 
+[[package]]
+name = "ctr"
+version = "0.9.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "0369ee1ad671834580515889b80f2ea915f23b8be8d0daa4bbaf2ac5c7590835"
+dependencies = [
+ "cipher",
+]
+
 [[package]]
 name = "darling"
 version = "0.20.8"
@@ -979,6 +1061,16 @@ dependencies = [
  "wasi",
 ]
 
+[[package]]
+name = "ghash"
+version = "0.5.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "f0d8a4362ccb29cb0b265253fb0a2728f592895ee6854fd9bc13f2ffda266ff1"
+dependencies = [
+ "opaque-debug",
+ "polyval",
+]
+
 [[package]]
 name = "gimli"
 version = "0.28.1"
@@ -1021,6 +1113,11 @@ name = "hashbrown"
 version = "0.14.5"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "e5274423e17b7c9fc20b6e7e208532f9b19825d82dfd615708b70edd83df41f1"
+dependencies = [
+ "ahash",
+ "allocator-api2",
+ "serde 1.0.200",
+]
 
 [[package]]
 name = "headers"
@@ -1342,6 +1439,15 @@ dependencies = [
  "serde 1.0.200",
 ]
 
+[[package]]
+name = "inout"
+version = "0.1.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "a0c10553d664a4d0bcff9f4215d0aac67a639cc68ef660840afe309b807bc9f5"
+dependencies = [
+ "generic-array",
+]
+
 [[package]]
 name = "ipnet"
 version = "2.9.0"
@@ -1616,6 +1722,16 @@ dependencies = [
  "minimal-lexical",
 ]
 
+[[package]]
+name = "nu-ansi-term"
+version = "0.46.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "77a8165726e8236064dbb45459242600304b42a5ea24ee2948e18e023bf7ba84"
+dependencies = [
+ "overload",
+ "winapi",
+]
+
 [[package]]
 name = "num-conv"
 version = "0.1.0"
@@ -1674,6 +1790,12 @@ version = "1.19.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "3fdb12b2476b595f9358c5161aa467c2438859caa136dec86c26fdd2efe17b92"
 
+[[package]]
+name = "opaque-debug"
+version = "0.3.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "c08d65885ee38876c4f86fa503fb49d7b507c2b62552df7c70b2fce627e06381"
+
 [[package]]
 name = "openssl"
 version = "0.10.64"
@@ -1734,6 +1856,12 @@ version = "0.5.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "4030760ffd992bef45b0ae3f10ce1aba99e33464c90d14dd7c039884963ddc7a"
 
+[[package]]
+name = "overload"
+version = "0.1.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "b15813163c1d831bf4a13c3610c05c0d03b39feb07f7e09fa234dac9b15aaf39"
+
 [[package]]
 name = "p256k1"
 version = "7.1.0"
@@ -1742,7 +1870,7 @@ checksum = "a40a031a559eb38c35a14096f21c366254501a06d41c4b327d2a7515d713a5b7"
 dependencies = [
  "bindgen",
  "bitvec",
- "bs58",
+ "bs58 0.4.0",
  "cc",
  "hex",
  "itertools",
@@ -1856,6 +1984,28 @@ version = "0.3.30"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "d231b230927b5e4ad203db57bbcbee2802f6bce620b1e4a9024a07d94e2907ec"
 
+[[package]]
+name = "polynomial"
+version = "0.2.6"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "27abb6e4638dcecc65a92b50d7f1d87dd6dea987ba71db987b6bf881f4877e9d"
+dependencies = [
+ "num-traits 0.2.18",
+ "serde 1.0.200",
+]
+
+[[package]]
+name = "polyval"
+version = "0.6.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "9d1fe60d06143b2430aa532c94cfe9e29783047f06c0d7fd359a9a51b729fa25"
+dependencies = [
+ "cfg-if",
+ "cpufeatures",
+ "opaque-debug",
+ "universal-hash",
+]
+
 [[package]]
 name = "powerfmt"
 version = "0.2.0"
@@ -2212,6 +2362,7 @@ dependencies = [
  "tracing",
  "tracing-attributes",
  "tracing-subscriber",
+ "wsts",
 ]
 
 [[package]]
@@ -2914,6 +3065,17 @@ dependencies = [
  "valuable",
 ]
 
+[[package]]
+name = "tracing-log"
+version = "0.2.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "ee855f1f400bd0e5c02d150ae5de3840039a3f54b025156404e34c23c03f47c3"
+dependencies = [
+ "log",
+ "once_cell",
+ "tracing-core",
+]
+
 [[package]]
 name = "tracing-serde"
 version = "0.1.3"
@@ -2931,15 +3093,18 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "ad0f048c97dbd9faa9b7df56362b8ebcaa52adb06b498c050d2f4e32f90a7a8b"
 dependencies = [
  "matchers",
+ "nu-ansi-term",
  "once_cell",
  "regex",
  "serde 1.0.200",
  "serde_json",
  "sharded-slab",
+ "smallvec",
  "thread_local",
  "time",
  "tracing",
  "tracing-core",
+ "tracing-log",
  "tracing-serde",
 ]
 
@@ -3016,6 +3181,16 @@ dependencies = [
  "tinyvec",
 ]
 
+[[package]]
+name = "universal-hash"
+version = "0.5.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "fc1de2c688dc15305988b563c3854064043356019f97a4b46276fe734c4f07ea"
+dependencies = [
+ "crypto-common",
+ "subtle",
+]
+
 [[package]]
 name = "untrusted"
 version = "0.7.1"
@@ -3428,6 +3603,28 @@ dependencies = [
  "windows-sys 0.48.0",
 ]
 
+[[package]]
+name = "wsts"
+version = "9.0.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "9c80d57a61294350ed91e91eb20a6c34da084ec8f15d039bab79ce3efabbd1a4"
+dependencies = [
+ "aes-gcm",
+ "bs58 0.5.1",
+ "hashbrown 0.14.5",
+ "hex",
+ "num-traits 0.2.18",
+ "p256k1",
+ "polynomial",
+ "primitive-types",
+ "rand_core",
+ "serde 1.0.200",
+ "sha2",
+ "thiserror",
+ "tracing",
+ "tracing-subscriber",
+]
+
 [[package]]
 name = "wyz"
 version = "0.5.1"
@@ -3446,6 +3643,26 @@ dependencies = [
  "linked-hash-map",
 ]
 
+[[package]]
+name = "zerocopy"
+version = "0.7.33"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "087eca3c1eaf8c47b94d02790dd086cd594b912d2043d4de4bfdd466b3befb7c"
+dependencies = [
+ "zerocopy-derive",
+]
+
+[[package]]
+name = "zerocopy-derive"
+version = "0.7.33"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "6f4b6c273f496d8fd4eaf18853e6b448760225dc030ff2c485a786859aea6393"
+dependencies = [
+ "proc-macro2",
+ "quote",
+ "syn 2.0.60",
+]
+
 [[package]]
 name = "zeroize"
 version = "1.7.0"
diff --git a/Cargo.toml b/Cargo.toml
index bdaf2bc72..693859ad1 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -34,6 +34,7 @@ thiserror = "1.0"
 tokio = "1.32.0"
 tracing = { version = "0.1", default-features = false }
 tracing-attributes = "0.1"
+wsts = "9.0.0"
 
 [workspace.dependencies.tracing-subscriber]
 version = "0.3"
diff --git a/signer/Cargo.toml b/signer/Cargo.toml
index 8e8dbb374..4cefed543 100644
--- a/signer/Cargo.toml
+++ b/signer/Cargo.toml
@@ -21,6 +21,7 @@ thiserror.workspace = true
 tracing.workspace = true
 tracing-attributes.workspace = true
 tracing-subscriber.workspace = true
+wsts.workspace = true
 
 [dev-dependencies]
 more-asserts = "0.3"
diff --git a/signer/src/message.rs b/signer/src/message.rs
index 52a89d526..518286b00 100644
--- a/signer/src/message.rs
+++ b/signer/src/message.rs
@@ -1,6 +1,6 @@
 use p256k1::ecdsa;
 
-#[derive(Debug, Clone)]
+#[derive(Debug, Clone, PartialEq)]
 pub struct SignerMessage {
     /// The message payload
     pub payload: Payload,
@@ -12,5 +12,32 @@ pub struct SignerMessage {
     pub signature: ecdsa::Signature,
 }
 
-#[derive(Debug, Clone)]
-pub enum Payload {}
+#[derive(Debug, Clone, PartialEq)]
+pub enum Payload {
+    SignerDepositDecision(SignerDepositDecision),
+    SignerWithdrawDecision(SignerWithdrawDecision),
+    StacksTransactionSignRequest(StacksTransactionSignRequest),
+    StacksTransactionSignature(StacksTransactionSignature),
+    BitcoinTransactionSignRequest(BitcoinTransactionSignRequest),
+    BitcoinTransactionSignAck(BitcoinTransactionSignAck),
+    /// Contains all variants for DKG and WSTS signing rounds
+    WstsMessage(wsts::net::Message),
+}
+
+#[derive(Debug, Clone, PartialEq)]
+pub struct SignerDepositDecision;
+
+#[derive(Debug, Clone, PartialEq)]
+pub struct SignerWithdrawDecision;
+
+#[derive(Debug, Clone, PartialEq)]
+pub struct StacksTransactionSignRequest;
+
+#[derive(Debug, Clone, PartialEq)]
+pub struct StacksTransactionSignature;
+
+#[derive(Debug, Clone, PartialEq)]
+pub struct BitcoinTransactionSignRequest;
+
+#[derive(Debug, Clone, PartialEq)]
+pub struct BitcoinTransactionSignAck;