diff --git a/coordinator/README.md b/coordinator/README.md
index 27552a5a..88d2ef63 100644
--- a/coordinator/README.md
+++ b/coordinator/README.md
@@ -1,19 +1,29 @@
 # Coordinator
 
-- [`tendermint`](/tributary/tendermint) is an implementation of the Tendermint BFT algorithm.
+- [`tendermint`](/tributary/tendermint) is an implementation of the Tendermint
+  BFT algorithm.
 
-- [`tributary`](./tributary) is a micro-blockchain framework. Instead of a producing a blockchain
-  daemon like the Polkadot SDK or Cosmos SDK intend to, `tributary` is solely intended to be an
-  embedded asynchronous task within an application.
+- [`tributary-sdk`](./tributary-sdk) is a micro-blockchain framework. Instead
+  of a producing a blockchain daemon like the Polkadot SDK or Cosmos SDK intend
+  to, `tributary` is solely intended to be an embedded asynchronous task within
+  an application.
 
-  The Serai coordinator spawns a tributary for each validator set it's coordinating. This allows
-  the participating validators to communicate in a byzantine-fault-tolerant manner (relying on
-  Tendermint for consensus).
+  The Serai coordinator spawns a tributary for each validator set it's
+  coordinating. This allows the participating validators to communicate in a
+  byzantine-fault-tolerant manner (relying on Tendermint for consensus).
 
-- [`cosign`](./cosign) contains a library to decide which Substrate blocks should be cosigned and
-  to evaluate cosigns.
+- [`cosign`](./cosign) contains a library to decide which Substrate blocks
+  should be cosigned and to evaluate cosigns.
 
-- [`substrate`](./substrate) contains a library to index the Substrate blockchain and handle its
-  events.
+- [`substrate`](./substrate) contains a library to index the Substrate
+  blockchain and handle its events.
+
+- [`tributary`](./tributary) is our instantiation of the Tributary SDK for the
+  Serai processor. It includes the `Transaction` definition and deferred
+  execution logic.
+
+- [`p2p`](./p2p) is our abstract P2P API to service the Coordinator.
+
+- [`libp2p`](./p2p/libp2p) is our libp2p-backed implementation of the P2P API.
 
 - [`src`](./src) contains the source code for the Coordinator binary itself.
diff --git a/coordinator/tributary-sdk/Cargo.toml b/coordinator/tributary-sdk/Cargo.toml
index be72ff0c..2e92c03d 100644
--- a/coordinator/tributary-sdk/Cargo.toml
+++ b/coordinator/tributary-sdk/Cargo.toml
@@ -25,20 +25,20 @@ rand = { version = "0.8", default-features = false, features = ["std"] }
 rand_chacha = { version = "0.3", default-features = false, features = ["std"] }
 
 blake2 = { version = "0.10", default-features = false, features = ["std"] }
-transcript = { package = "flexible-transcript", path = "../../crypto/transcript", default-features = false, features = ["std", "recommended"] }
+transcript = { package = "flexible-transcript", path = "../../crypto/transcript", version = "0.3", default-features = false, features = ["std", "recommended"] }
 
-ciphersuite = { package = "ciphersuite", path = "../../crypto/ciphersuite", default-features = false, features = ["std", "ristretto"] }
-schnorr = { package = "schnorr-signatures", path = "../../crypto/schnorr", default-features = false, features = ["std"] }
+ciphersuite = { package = "ciphersuite", path = "../../crypto/ciphersuite", version = "0.4", default-features = false, features = ["std", "ristretto"] }
+schnorr = { package = "schnorr-signatures", path = "../../crypto/schnorr", version = "0.5", default-features = false, features = ["std"] }
 
 hex = { version = "0.4", default-features = false, features = ["std"] }
 log = { version = "0.4", default-features = false, features = ["std"] }
 
-serai-db = { path = "../../common/db" }
+serai-db = { path = "../../common/db", version = "0.1" }
 
 scale = { package = "parity-scale-codec", version = "3", default-features = false, features = ["std", "derive"] }
 futures-util = { version = "0.3", default-features = false, features = ["std", "sink", "channel"] }
 futures-channel = { version = "0.3", default-features = false, features = ["std", "sink"] }
-tendermint = { package = "tendermint-machine", path = "./tendermint" }
+tendermint = { package = "tendermint-machine", path = "./tendermint", version = "0.2" }
 
 tokio = { version = "1", default-features = false, features = ["sync", "time", "rt"] }