diff --git a/Cargo.lock b/Cargo.lock
deleted file mode 100644
index 54482e1..0000000
--- a/Cargo.lock
+++ /dev/null
@@ -1,7 +0,0 @@
-# This file is automatically @generated by Cargo.
-# It is not intended for manual editing.
-version = 4
-
-[[package]]
-name = "private_proof_of_reserve_cli"
-version = "0.1.0"
diff --git a/Cargo.toml b/Cargo.toml
index c7ca649..3e0c2e4 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -1,9 +1,39 @@
 [package]
-name    = "private_proof_of_reserve_cli"
-version = "0.1.0"
-edition = "2021"
+name        = "private_proof_of_reserve_cli"
+version     = "0.1.0"
+edition     = "2021"
+license     = "MIT OR Apache-2.0"
+description = "CLI tool that generates and verifies private proof-of-reserve ZK proofs for Bitcoin holdings."
 
-# … dependencies …
-# … features …
+[dependencies]
+# CLI / UX
+clap        = { version = "4.5", features = ["derive"] }
+indicatif   = "0.17"
 
-# 🚫  NO  `[workspace]` section in this file
+# Bitcoin & RPC
+bitcoin          = "0.31"
+bitcoincore-rpc  = "0.18"
+
+# Crypto primitives
+bulletproofs     = { version = "4.0", optional = true }
+curve25519-dalek = "4.2"
+rand             = "0.8"
+merkletree       = "0.7"
+sha2             = "0.10"
+hex              = "0.4"
+base64           = "0.21"
+
+# Serde / error handling
+serde       = { version = "1.0", features = ["derive"] }
+serde_json  = "1.0"
+anyhow      = "1.0"
+
+[features]
+default              = ["bulletproofs-backend"]
+bulletproofs-backend = ["bulletproofs"]
+halo2-backend        = []              # placeholder for future
+
+[profile.release]
+codegen-units = 1
+lto           = true
+panic         = "abort"
\ No newline at end of file