diff --git a/Cargo.lock b/Cargo.lock
index aa153d5de14b0f404b9264244231f645fa478318..cef8bf3b91d2d43f02a5fc3143e979529a1b85df 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -149,17 +149,6 @@ dependencies = [
  "byte-tools 0.3.1 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
-[[package]]
-name = "bstr"
-version = "0.2.7"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-dependencies = [
- "lazy_static 1.4.0 (registry+https://github.com/rust-lang/crates.io-index)",
- "memchr 2.2.1 (registry+https://github.com/rust-lang/crates.io-index)",
- "regex-automata 0.1.8 (registry+https://github.com/rust-lang/crates.io-index)",
- "serde 1.0.99 (registry+https://github.com/rust-lang/crates.io-index)",
-]
-
 [[package]]
 name = "bumpalo"
 version = "2.6.0"
@@ -313,26 +302,6 @@ dependencies = [
  "subtle 1.0.0 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
-[[package]]
-name = "csv"
-version = "1.1.1"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-dependencies = [
- "bstr 0.2.7 (registry+https://github.com/rust-lang/crates.io-index)",
- "csv-core 0.1.6 (registry+https://github.com/rust-lang/crates.io-index)",
- "itoa 0.4.4 (registry+https://github.com/rust-lang/crates.io-index)",
- "ryu 1.0.0 (registry+https://github.com/rust-lang/crates.io-index)",
- "serde 1.0.99 (registry+https://github.com/rust-lang/crates.io-index)",
-]
-
-[[package]]
-name = "csv-core"
-version = "0.1.6"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-dependencies = [
- "memchr 2.2.1 (registry+https://github.com/rust-lang/crates.io-index)",
-]
-
 [[package]]
 name = "ctor"
 version = "0.1.10"
@@ -599,7 +568,6 @@ dependencies = [
  "log 0.4.8 (registry+https://github.com/rust-lang/crates.io-index)",
  "num_cpus 1.10.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "pbr 1.0.1 (registry+https://github.com/rust-lang/crates.io-index)",
- "prettytable-rs 0.8.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "rayon 1.2.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "serde 1.0.99 (registry+https://github.com/rust-lang/crates.io-index)",
  "serde_json 1.0.40 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -917,11 +885,6 @@ name = "either"
 version = "1.5.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 
-[[package]]
-name = "encode_unicode"
-version = "0.3.6"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-
 [[package]]
 name = "failure"
 version = "0.1.5"
@@ -1189,9 +1152,6 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 name = "memchr"
 version = "2.2.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-dependencies = [
- "libc 0.2.62 (registry+https://github.com/rust-lang/crates.io-index)",
-]
 
 [[package]]
 name = "memoffset"
@@ -1448,7 +1408,7 @@ dependencies = [
  "pretty_assertions 0.6.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "ring 0.16.9 (registry+https://github.com/rust-lang/crates.io-index)",
  "serde 1.0.99 (registry+https://github.com/rust-lang/crates.io-index)",
- "serde_cbor 0.10.1 (registry+https://github.com/rust-lang/crates.io-index)",
+ "serde_cbor 0.10.2 (registry+https://github.com/rust-lang/crates.io-index)",
  "serde_json 1.0.40 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
@@ -1477,19 +1437,6 @@ dependencies = [
  "output_vt100 0.1.2 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
-[[package]]
-name = "prettytable-rs"
-version = "0.8.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-dependencies = [
- "atty 0.2.13 (registry+https://github.com/rust-lang/crates.io-index)",
- "csv 1.1.1 (registry+https://github.com/rust-lang/crates.io-index)",
- "encode_unicode 0.3.6 (registry+https://github.com/rust-lang/crates.io-index)",
- "lazy_static 1.4.0 (registry+https://github.com/rust-lang/crates.io-index)",
- "term 0.5.2 (registry+https://github.com/rust-lang/crates.io-index)",
- "unicode-width 0.1.6 (registry+https://github.com/rust-lang/crates.io-index)",
-]
-
 [[package]]
 name = "proc-macro2"
 version = "0.2.3"
@@ -1748,14 +1695,6 @@ dependencies = [
  "thread_local 0.3.6 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
-[[package]]
-name = "regex-automata"
-version = "0.1.8"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-dependencies = [
- "byteorder 1.2.7 (registry+https://github.com/rust-lang/crates.io-index)",
-]
-
 [[package]]
 name = "regex-syntax"
 version = "0.6.11"
@@ -1911,7 +1850,7 @@ dependencies = [
 
 [[package]]
 name = "serde_cbor"
-version = "0.10.1"
+version = "0.10.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "byteorder 1.2.7 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -2438,7 +2377,6 @@ dependencies = [
 "checksum blake2b_simd 0.5.7 (registry+https://github.com/rust-lang/crates.io-index)" = "bf775a81bb2d464e20ff170ac20316c7b08a43d11dbc72f0f82e8e8d3d6d0499"
 "checksum block-buffer 0.7.3 (registry+https://github.com/rust-lang/crates.io-index)" = "c0940dc441f31689269e10ac70eb1002a3a1d3ad1390e030043662eb7fe4688b"
 "checksum block-padding 0.1.4 (registry+https://github.com/rust-lang/crates.io-index)" = "6d4dc3af3ee2e12f3e5d224e5e1e3d73668abbeb69e566d361f7d5563a4fdf09"
-"checksum bstr 0.2.7 (registry+https://github.com/rust-lang/crates.io-index)" = "94cdf78eb7e94c566c1f5dbe2abf8fc70a548fc902942a48c4b3a98b48ca9ade"
 "checksum bumpalo 2.6.0 (registry+https://github.com/rust-lang/crates.io-index)" = "ad807f2fc2bf185eeb98ff3a901bd46dc5ad58163d0fa4577ba0d25674d71708"
 "checksum byte-tools 0.3.1 (registry+https://github.com/rust-lang/crates.io-index)" = "e3b5ca7a04898ad4bcd41c90c5285445ff5b791899bb1b0abdd2a2aa791211d7"
 "checksum byteorder 1.2.7 (registry+https://github.com/rust-lang/crates.io-index)" = "94f88df23a25417badc922ab0f5716cc1330e87f71ddd9203b3a3ccd9cedf75d"
@@ -2458,14 +2396,11 @@ dependencies = [
 "checksum crossbeam-queue 0.1.2 (registry+https://github.com/rust-lang/crates.io-index)" = "7c979cd6cfe72335896575c6b5688da489e420d36a27a0b9eb0c73db574b4a4b"
 "checksum crossbeam-utils 0.6.6 (registry+https://github.com/rust-lang/crates.io-index)" = "04973fa96e96579258a5091af6003abde64af786b860f18622b82e026cca60e6"
 "checksum crypto-mac 0.7.0 (registry+https://github.com/rust-lang/crates.io-index)" = "4434400df11d95d556bac068ddfedd482915eb18fe8bea89bc80b6e4b1c179e5"
-"checksum csv 1.1.1 (registry+https://github.com/rust-lang/crates.io-index)" = "37519ccdfd73a75821cac9319d4fce15a81b9fcf75f951df5b9988aa3a0af87d"
-"checksum csv-core 0.1.6 (registry+https://github.com/rust-lang/crates.io-index)" = "9b5cadb6b25c77aeff80ba701712494213f4a8418fcda2ee11b6560c3ad0bf4c"
 "checksum ctor 0.1.10 (registry+https://github.com/rust-lang/crates.io-index)" = "5b6b2f4752cc29efbfd03474c532ce8f916f2d44ec5bb8c21f93bc76e5365528"
 "checksum difference 2.0.0 (registry+https://github.com/rust-lang/crates.io-index)" = "524cbf6897b527295dff137cec09ecf3a05f4fddffd7dfcd1585403449e74198"
 "checksum digest 0.8.1 (registry+https://github.com/rust-lang/crates.io-index)" = "f3d0c8c8752312f9713efd397ff63acb9f85585afbf179282e720e7704954dd5"
 "checksum dirs 1.0.5 (registry+https://github.com/rust-lang/crates.io-index)" = "3fd78930633bd1c6e35c4b42b1df7b0cbc6bc191146e512bb3bedf243fcc3901"
 "checksum either 1.5.2 (registry+https://github.com/rust-lang/crates.io-index)" = "5527cfe0d098f36e3f8839852688e63c8fff1c90b2b405aef730615f9a7bcf7b"
-"checksum encode_unicode 0.3.6 (registry+https://github.com/rust-lang/crates.io-index)" = "a357d28ed41a50f9c765dbfe56cbc04a64e53e5fc58ba79fbc34c10ef3df831f"
 "checksum failure 0.1.5 (registry+https://github.com/rust-lang/crates.io-index)" = "795bd83d3abeb9220f257e597aa0080a508b27533824adf336529648f6abf7e2"
 "checksum failure_derive 0.1.5 (registry+https://github.com/rust-lang/crates.io-index)" = "ea1063915fd7ef4309e222a5a07cf9c319fb9c7836b1f89b85458672dbb127e1"
 "checksum fake-simd 0.1.2 (registry+https://github.com/rust-lang/crates.io-index)" = "e88a8acf291dafb59c2d96e8f59828f3838bb1a70398823ade51a84de6a6deed"
@@ -2530,7 +2465,6 @@ dependencies = [
 "checksum ppv-lite86 0.2.5 (registry+https://github.com/rust-lang/crates.io-index)" = "e3cbf9f658cdb5000fcf6f362b8ea2ba154b9f146a61c7a20d647034c6b6561b"
 "checksum pretty_assertions 0.5.1 (registry+https://github.com/rust-lang/crates.io-index)" = "3a029430f0d744bc3d15dd474d591bed2402b645d024583082b9f63bb936dac6"
 "checksum pretty_assertions 0.6.1 (registry+https://github.com/rust-lang/crates.io-index)" = "3f81e1644e1b54f5a68959a29aa86cde704219254669da328ecfdf6a1f09d427"
-"checksum prettytable-rs 0.8.0 (registry+https://github.com/rust-lang/crates.io-index)" = "0fd04b170004fa2daccf418a7f8253aaf033c27760b5f225889024cf66d7ac2e"
 "checksum proc-macro2 0.2.3 (registry+https://github.com/rust-lang/crates.io-index)" = "cd07deb3c6d1d9ff827999c7f9b04cdfd66b1b17ae508e14fe47b620f2282ae0"
 "checksum proc-macro2 0.4.30 (registry+https://github.com/rust-lang/crates.io-index)" = "cf3d2011ab5c909338f7887f4fc896d35932e29146c12c8d01da6b22a80ba759"
 "checksum proc-macro2 1.0.1 (registry+https://github.com/rust-lang/crates.io-index)" = "4c5c2380ae88876faae57698be9e9775e3544decad214599c3a6266cca6ac802"
@@ -2559,7 +2493,6 @@ dependencies = [
 "checksum redox_termios 0.1.1 (registry+https://github.com/rust-lang/crates.io-index)" = "7e891cfe48e9100a70a3b6eb652fef28920c117d366339687bd5576160db0f76"
 "checksum redox_users 0.3.1 (registry+https://github.com/rust-lang/crates.io-index)" = "4ecedbca3bf205f8d8f5c2b44d83cd0690e39ee84b951ed649e9f1841132b66d"
 "checksum regex 1.2.1 (registry+https://github.com/rust-lang/crates.io-index)" = "88c3d9193984285d544df4a30c23a4e62ead42edf70a4452ceb76dac1ce05c26"
-"checksum regex-automata 0.1.8 (registry+https://github.com/rust-lang/crates.io-index)" = "92b73c2a1770c255c240eaa4ee600df1704a38dc3feaa6e949e7fcd4f8dc09f9"
 "checksum regex-syntax 0.6.11 (registry+https://github.com/rust-lang/crates.io-index)" = "b143cceb2ca5e56d5671988ef8b15615733e7ee16cd348e064333b251b89343f"
 "checksum remove_dir_all 0.5.2 (registry+https://github.com/rust-lang/crates.io-index)" = "4a83fa3702a688b9359eccba92d153ac33fd2e8462f9e0e3fdf155239ea7792e"
 "checksum ring 0.16.9 (registry+https://github.com/rust-lang/crates.io-index)" = "6747f8da1f2b1fabbee1aaa4eb8a11abf9adef0bf58a41cee45db5d59cecdfac"
@@ -2577,7 +2510,7 @@ dependencies = [
 "checksum semver 0.9.0 (registry+https://github.com/rust-lang/crates.io-index)" = "1d7eb9ef2c18661902cc47e535f9bc51b78acd254da71d375c2f6720d9a40403"
 "checksum semver-parser 0.7.0 (registry+https://github.com/rust-lang/crates.io-index)" = "388a1df253eca08550bef6c72392cfe7c30914bf41df5269b68cbd6ff8f570a3"
 "checksum serde 1.0.99 (registry+https://github.com/rust-lang/crates.io-index)" = "fec2851eb56d010dc9a21b89ca53ee75e6528bab60c11e89d38390904982da9f"
-"checksum serde_cbor 0.10.1 (registry+https://github.com/rust-lang/crates.io-index)" = "318690c4f04ae6553665f3846c0614c9995bb1ea51a2f1c5c4b4ed338c248b49"
+"checksum serde_cbor 0.10.2 (registry+https://github.com/rust-lang/crates.io-index)" = "f7081ed758ec726a6ed8ee7e92f5d3f6e6f8c3901b1f972e3a4a2f2599fad14f"
 "checksum serde_derive 1.0.99 (registry+https://github.com/rust-lang/crates.io-index)" = "cb4dc18c61206b08dc98216c98faa0232f4337e1e1b8574551d5bad29ea1b425"
 "checksum serde_json 1.0.40 (registry+https://github.com/rust-lang/crates.io-index)" = "051c49229f282f7c6f3813f8286cc1e3323e8051823fce42c7ea80fe13521704"
 "checksum sha-1 0.8.1 (registry+https://github.com/rust-lang/crates.io-index)" = "23962131a91661d643c98940b20fcaffe62d776a823247be80a48fcb8b6fce68"
diff --git a/lib/modules/blockchain/blockchain/Cargo.toml b/lib/modules/blockchain/blockchain/Cargo.toml
index 0e4667d0cf5f864c3ab5cc6f50a33965db01493b..77c33b6bf37cf388550fcce007246f18f25bf368 100644
--- a/lib/modules/blockchain/blockchain/Cargo.toml
+++ b/lib/modules/blockchain/blockchain/Cargo.toml
@@ -30,7 +30,6 @@ json-pest-parser = { path = "../../../tools/json-pest-parser" }
 log = "0.4.*"
 num_cpus = "1.10.*"
 pbr = "1.0.*"
-prettytable-rs = "0.8.0"
 rayon = "1.2.0"
 serde = "1.0.*"
 serde_json = "1.0.*"
diff --git a/lib/modules/blockchain/blockchain/src/dbex.rs b/lib/modules/blockchain/blockchain/src/dbex.rs
index 355cb65da99b1895ebdbc5a06242ab0a23f6ceba..fcd2acd543f8b86171f46735222e027605810cbc 100644
--- a/lib/modules/blockchain/blockchain/src/dbex.rs
+++ b/lib/modules/blockchain/blockchain/src/dbex.rs
@@ -24,7 +24,6 @@ use durs_bc_db_reader::{BcDbRo, DbValue};
 use durs_wot::data::rusty::RustyWebOfTrust;
 use durs_wot::data::WebOfTrust;
 use durs_wot::operations::distance::{DistanceCalculator, WotDistance, WotDistanceParameters};
-use prettytable::Table;
 use std::str::FromStr;
 use std::time::*;
 use unwrap::unwrap;
@@ -171,18 +170,20 @@ pub fn dbex_bc(profile_path: PathBuf, _csv: bool, _query: DbExBcQuery) -> Result
                     }
                 }
             } else {
-                let mut table = Table::new();
-                table.add_row(row![&BLOCK, &USERNAME, &PUB_KEY]);
-                for (pub_key, v) in &vec {
-                    if let Ok(Some(identity)) =
+                //let mut table = Table::new();
+                //table.add_row(row![&BLOCK, &USERNAME, &PUB_KEY]);
+                for (pub_key, _v) in &vec {
+                    if let Ok(Some(_identity)) =
                         durs_bc_db_reader::indexes::identities::get_identity_by_pubkey(
                             &db, &pub_key,
                         )
                     {
-                        table.add_row(row![v, identity.idty_doc.username(), pub_key.to_string()]);
+                        //table.add_row(row![v, identity.idty_doc.username(), pub_key.to_string()]);
                     }
                 }
-                table.printstd();
+                //table.printstd();
+                println!("Feature temporarily disabled due to an audit problem on the \"table formatting\" crate \
+                (see https://github.com/phsym/prettytable-rs/issues/119)");
             }
         }
     }
diff --git a/lib/modules/blockchain/blockchain/src/lib.rs b/lib/modules/blockchain/blockchain/src/lib.rs
index fc3e46e69046bb1bc6ca686805122b80ca8026d6..4674ca8fb2735b78c8fc6b7981c1e8192e394596 100644
--- a/lib/modules/blockchain/blockchain/src/lib.rs
+++ b/lib/modules/blockchain/blockchain/src/lib.rs
@@ -32,9 +32,6 @@
 #[macro_use]
 extern crate log;
 
-#[macro_use]
-extern crate prettytable;
-
 mod constants;
 pub mod dbex;
 mod dubp;
diff --git a/lib/tools/pkstl/Cargo.toml b/lib/tools/pkstl/Cargo.toml
index ccc6cc69d981cba38db817ed329149d50b057f55..7a5a8cbf2e9ce15910e2212d0d67e235f9a55d0b 100644
--- a/lib/tools/pkstl/Cargo.toml
+++ b/lib/tools/pkstl/Cargo.toml
@@ -20,7 +20,7 @@ failure = "0.1.5"
 flate2 = { version = "1.0.11", optional = true }
 ring = "0.16.9"
 serde = { version = "1.0.*", features = ["derive"], optional = true }
-serde_cbor = { version = "0.10.1", optional = true }
+serde_cbor = { version = "0.10.2", optional = true }
 serde_json = { version = "1.0.40", optional = true }
 log = "0.4.*"