diff --git a/.gitignore b/.gitignore
index ea8c4bf7..c5df1db2 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1 +1,2 @@
-/target
+target
+*.wasm
diff --git a/Cargo.lock b/Cargo.lock
index acd132c4..a2e008fe 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -28,6 +28,12 @@ dependencies = [
  "version_check",
 ]
 
+[[package]]
+name = "anes"
+version = "0.1.6"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "4b46cbb362ab8752921c97e041f5e366ee6297bd428a31275b9fcf1e380f7299"
+
 [[package]]
 name = "anyhow"
 version = "1.0.61"
@@ -372,6 +378,33 @@ dependencies = [
  "cpufeatures",
 ]
 
+[[package]]
+name = "ciborium"
+version = "0.2.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "b0c137568cc60b904a7724001b35ce2630fd00d5d84805fbb608ab89509d788f"
+dependencies = [
+ "ciborium-io",
+ "ciborium-ll",
+ "serde",
+]
+
+[[package]]
+name = "ciborium-io"
+version = "0.2.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "346de753af073cc87b52b2083a506b38ac176a44cfb05497b622e27be899b369"
+
+[[package]]
+name = "ciborium-ll"
+version = "0.2.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "213030a2b5a4e0c0892b6652260cf6ccac84827b83a85a534e178e3906c4cf1b"
+dependencies = [
+ "ciborium-io",
+ "half",
+]
+
 [[package]]
 name = "cipher"
 version = "0.3.0"
@@ -388,10 +421,31 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "a0610544180c38b88101fecf2dd634b174a62eef6946f84dfc6a7127512b381c"
 dependencies = [
  "bitflags",
- "textwrap",
+ "textwrap 0.11.0",
  "unicode-width",
 ]
 
+[[package]]
+name = "clap"
+version = "3.2.23"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "71655c45cb9845d3270c9d6df84ebe72b4dad3c2ba3f7023ad47c144e4e473a5"
+dependencies = [
+ "bitflags",
+ "clap_lex",
+ "indexmap",
+ "textwrap 0.16.0",
+]
+
+[[package]]
+name = "clap_lex"
+version = "0.2.4"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "2850f2f5a82cbf437dd5af4d49848fbdfc27c157c3d010345776f952765261c5"
+dependencies = [
+ "os_str_bytes",
+]
+
 [[package]]
 name = "console_error_panic_hook"
 version = "0.1.7"
@@ -434,8 +488,8 @@ checksum = "b01d6de93b2b6c65e17c634a26653a29d107b3c98c607c765bf38d041531cd8f"
 dependencies = [
  "atty",
  "cast",
- "clap",
- "criterion-plot",
+ "clap 2.34.0",
+ "criterion-plot 0.4.5",
  "csv",
  "itertools",
  "lazy_static",
@@ -452,6 +506,30 @@ dependencies = [
  "walkdir",
 ]
 
+[[package]]
+name = "criterion"
+version = "0.4.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "e7c76e09c1aae2bc52b3d2f29e13c6572553b30c4aa1b8a49fd70de6412654cb"
+dependencies = [
+ "anes",
+ "atty",
+ "cast",
+ "ciborium",
+ "clap 3.2.23",
+ "criterion-plot 0.5.0",
+ "itertools",
+ "lazy_static",
+ "num-traits",
+ "oorandom",
+ "regex",
+ "serde",
+ "serde_derive",
+ "serde_json",
+ "tinytemplate",
+ "walkdir",
+]
+
 [[package]]
 name = "criterion-plot"
 version = "0.4.5"
@@ -462,6 +540,16 @@ dependencies = [
  "itertools",
 ]
 
+[[package]]
+name = "criterion-plot"
+version = "0.5.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "6b50826342786a51a89e2da3a28f1c32b06e387201bc2d19791f622c673706b1"
+dependencies = [
+ "cast",
+ "itertools",
+]
+
 [[package]]
 name = "crossbeam-channel"
 version = "0.5.6"
@@ -649,7 +737,7 @@ dependencies = [
  "blake2",
  "blake2b_simd",
  "borsh",
- "criterion",
+ "criterion 0.3.6",
  "digest 0.10.3",
  "ed25519-dalek",
  "either",
@@ -751,7 +839,7 @@ dependencies = [
  "ark-std",
  "blake2b_simd",
  "chacha20",
- "criterion",
+ "criterion 0.4.0",
  "hex",
  "itertools",
  "miracl_core",
@@ -1114,6 +1202,12 @@ version = "0.3.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "624a8340c38c1b80fd549087862da4ba43e08858af025b236e509b6649fc13d5"
 
+[[package]]
+name = "os_str_bytes"
+version = "6.3.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "3baf96e39c5359d2eb0dd6ccb42c62b91d9678aa68160d261b9e0ccbf9e9dea9"
+
 [[package]]
 name = "parking_lot"
 version = "0.11.2"
@@ -1190,7 +1284,7 @@ checksum = "55f35f865aa964be21fcde114cbd1cfbd9bf8a471460ed965b0f84f96c711401"
 dependencies = [
  "backtrace",
  "cfg-if 1.0.0",
- "criterion",
+ "criterion 0.3.6",
  "findshlibs",
  "inferno",
  "lazy_static",
@@ -1624,6 +1718,12 @@ dependencies = [
  "unicode-width",
 ]
 
+[[package]]
+name = "textwrap"
+version = "0.16.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "222a222a5bfe1bba4a77b45ec488a741b3cb8872e5e499451fd7d0129c9c7c3d"
+
 [[package]]
 name = "thiserror"
 version = "1.0.30"
diff --git a/ferveo/BENCHMARK.md b/ferveo/BENCHMARK.md
new file mode 100644
index 00000000..b17fc2c6
--- /dev/null
+++ b/ferveo/BENCHMARK.md
@@ -0,0 +1,79 @@
+# WASM results
+
+```
+TPKE/share_combine: 100 validators threshold 1024*2/3 - #msg 1 - msg-size = 100 bytes
+                        time:   [203.07 ms 203.63 ms 204.31 ms]
+TPKE/share_combine: 100 validators threshold 2048*2/3 - #msg 1 - msg-size = 100 bytes
+                        time:   [202.04 ms 202.49 ms 203.37 ms]
+TPKE/share_combine: 100 validators threshold 4096*2/3 - #msg 1 - msg-size = 100 bytes
+                        time:   [201.94 ms 202.74 ms 203.32 ms]
+TPKE/share_combine: 100 validators threshold 8192*2/3 - #msg 1 - msg-size = 100 bytes
+                        time:   [194.89 ms 195.44 ms 196.43 ms]
+TPKE/share_combine: 150 validators threshold 1024*2/3 - #msg 1 - msg-size = 100 bytes
+                        time:   [291.00 ms 291.93 ms 292.94 ms]
+TPKE/share_combine: 150 validators threshold 2048*2/3 - #msg 1 - msg-size = 100 bytes
+                        time:   [287.92 ms 291.28 ms 293.63 ms]
+TPKE/share_combine: 150 validators threshold 4096*2/3 - #msg 1 - msg-size = 100 bytes
+                        time:   [291.20 ms 291.94 ms 292.61 ms]
+TPKE/share_combine: 150 validators threshold 8192*2/3 - #msg 1 - msg-size = 100 bytes
+                        time:   [292.36 ms 293.98 ms 295.60 ms]
+TPKE/share_combine: 200 validators threshold 1024*2/3 - #msg 1 - msg-size = 100 bytes
+                        time:   [429.51 ms 431.92 ms 434.20 ms]
+TPKE/share_combine: 200 validators threshold 2048*2/3 - #msg 1 - msg-size = 100 bytes
+                        time:   [427.99 ms 429.13 ms 430.25 ms]
+TPKE/share_combine: 200 validators threshold 4096*2/3 - #msg 1 - msg-size = 100 bytes
+                        time:   [428.54 ms 429.52 ms 430.93 ms]
+TPKE/share_combine: 200 validators threshold 8192*2/3 - #msg 1 - msg-size = 100 bytes
+                        time:   [413.68 ms 426.59 ms 434.22 ms]
+```
+
+# Rust results
+```
+TPKE/share_combine: 100 validators threshold 1024*2/3 - #msg 1 - msg-size = 100 bytes
+                        time:   [39.402 ms 39.933 ms 40.442 ms]
+                        change: [-78.967% -78.479% -78.003%] (p = 0.00 < 0.05)
+TPKE/share_combine: 100 validators threshold 2048*2/3 - #msg 1 - msg-size = 100 bytes
+                        time:   [36.905 ms 37.714 ms 38.555 ms]
+                        change: [-79.026% -78.298% -77.409%] (p = 0.00 < 0.05)
+                        Performance has improved.
+TPKE/share_combine: 100 validators threshold 4096*2/3 - #msg 1 - msg-size = 100 bytes
+                        time:   [38.335 ms 39.103 ms 40.138 ms]
+                        change: [-79.030% -78.666% -78.289%] (p = 0.00 < 0.05)
+                        Performance has improved.
+TPKE/share_combine: 100 validators threshold 8192*2/3 - #msg 1 - msg-size = 100 bytes
+                        time:   [37.560 ms 39.477 ms 41.840 ms]
+                        change: [-78.908% -78.079% -77.420%] (p = 0.00 < 0.05)
+                        Performance has improved.
+TPKE/share_combine: 150 validators threshold 1024*2/3 - #msg 1 - msg-size = 100 bytes
+                        time:   [59.445 ms 60.015 ms 60.918 ms]
+                        change: [-77.813% -77.500% -77.138%] (p = 0.00 < 0.05)
+                        Performance has improved.
+TPKE/share_combine: 150 validators threshold 2048*2/3 - #msg 1 - msg-size = 100 bytes
+                        time:   [57.400 ms 58.897 ms 59.917 ms]
+                        change: [-79.208% -78.475% -77.800%] (p = 0.00 < 0.05)
+                        Performance has improved.
+TPKE/share_combine: 150 validators threshold 4096*2/3 - #msg 1 - msg-size = 100 bytes
+                        time:   [55.343 ms 56.937 ms 59.751 ms]
+                        change: [-79.182% -78.302% -77.213%] (p = 0.00 < 0.05)
+                        Performance has improved.
+TPKE/share_combine: 150 validators threshold 8192*2/3 - #msg 1 - msg-size = 100 bytes
+                        time:   [58.516 ms 59.499 ms 60.542 ms]
+                        change: [-79.088% -78.442% -77.787%] (p = 0.00 < 0.05)
+                        Performance has improved.
+TPKE/share_combine: 200 validators threshold 1024*2/3 - #msg 1 - msg-size = 100 bytes
+                        time:   [78.889 ms 79.303 ms 79.871 ms]
+                        change: [-79.477% -78.764% -78.196%] (p = 0.00 < 0.05)
+                        Performance has improved.
+TPKE/share_combine: 200 validators threshold 2048*2/3 - #msg 1 - msg-size = 100 bytes
+                        time:   [78.631 ms 79.323 ms 79.960 ms]
+                        change: [-78.776% -78.250% -77.742%] (p = 0.00 < 0.05)
+                        Performance has improved.
+TPKE/share_combine: 200 validators threshold 4096*2/3 - #msg 1 - msg-size = 100 bytes
+                        time:   [76.580 ms 77.272 ms 78.058 ms]
+                        change: [-78.700% -78.253% -77.767%] (p = 0.00 < 0.05)
+                        Performance has improved.
+TPKE/share_combine: 200 validators threshold 8192*2/3 - #msg 1 - msg-size = 100 bytes
+                        time:   [76.676 ms 77.459 ms 78.123 ms]
+                        change: [-80.315% -79.559% -78.876%] (p = 0.00 < 0.05)
+                        Performance has improved.
+```
\ No newline at end of file
diff --git a/tpke/Cargo.toml b/tpke/Cargo.toml
index e22bf8ec..573370e7 100644
--- a/tpke/Cargo.toml
+++ b/tpke/Cargo.toml
@@ -28,7 +28,7 @@ itertools="0.10"
 subproductdomain = { path = "../subproductdomain" }
 
 [dev-dependencies]
-criterion = "0.3"
+criterion = { version = "0.4", default-features = false }
 
 [[bench]]
 name = "benchmarks"
diff --git a/tpke/README.md b/tpke/README.md
new file mode 100644
index 00000000..ae7ffb48
--- /dev/null
+++ b/tpke/README.md
@@ -0,0 +1,23 @@
+# tpke
+
+## Benchmarking WASM
+
+Based on `centurion.rs` (docs)[https://github.com/bheisler/criterion.rs/blob/version-0.4/book/src/user_guide/wasi.md#webasseblywasi-benchmarking]
+
+### Setup
+
+```bash
+cargo install cargo-wasi
+npm install -g @wasmer/cli
+
+cargo wasi build --bench=benchmarks --release
+cp `ls -t ../target/wasm32-wasi/release/deps/*.wasm | head -n 1` benchmarks.wasm
+```
+
+### Running
+
+```bash
+wasmer-js run --dir=. benchmarks.wasm -- --bench
+```
+
+### Results