diff --git a/apps/src/lib/cli.rs b/apps/src/lib/cli.rs
index 2e6409953e8..40a0a1c94f3 100644
--- a/apps/src/lib/cli.rs
+++ b/apps/src/lib/cli.rs
@@ -1842,7 +1842,7 @@ pub mod args {
     pub const DONT_PREFETCH_WASM: ArgFlag = flag("dont-prefetch-wasm");
     pub const FEE_AMOUNT: ArgOpt<token::Amount> = arg_opt("fee-amount");
     pub const GAS_LIMIT: ArgDefault<GasLimit> =
-        arg_default("gas-limit", DefaultFn(|| GasLimit::from(1_000_000)));
+        arg_default("gas-limit", DefaultFn(|| GasLimit::from(200_000_000))); //FIXME: lower gas consumption
     pub const FEE_TOKEN: ArgDefaultFromCtx<WalletAddress> =
         arg_default_from_ctx("fee-token", DefaultFn(|| "NAM".into()));
     pub const GENESIS_PATH: Arg<PathBuf> = arg("genesis-path");
diff --git a/genesis/e2e-tests-single-node.toml b/genesis/e2e-tests-single-node.toml
index 8e5c74d9085..77d1b7a6807 100644
--- a/genesis/e2e-tests-single-node.toml
+++ b/genesis/e2e-tests-single-node.toml
@@ -29,8 +29,9 @@ net_address = "127.0.0.1:27656"
 address = "atest1v4ehgw36x3prswzxggunzv6pxqmnvdj9xvcyzvpsggeyvs3cg9qnywf589qnwvfsg5erg3fkl09rg5"
 vp = "vp_token"
 [token.NAM.balances]
+# FIXME: reduce these values when gas amount is adjusted
 Albert = 1000000
-"Albert.public_key" = 1000
+"Albert.public_key" = 200
 Bertha = 1000000
 "Bertha.public_key" = 2000
 Christel = 1000000
@@ -38,7 +39,7 @@ Christel = 1000000
 Daewon = 1000000
 faucet = 9223372036
 "faucet.public_key" = 100
-"validator-0.public_key" = 100
+"validator-0.public_key" = 200
 
 [token.BTC]
 address = "atest1v4ehgw36xdzryve5gsc52veeg5cnsv2yx5eygvp38qcrvd29xy6rys6p8yc5xvp4xfpy2v694wgwcp"
@@ -156,6 +157,7 @@ max_expected_time_per_block = 30
 # Max payload size, in bytes, for a tx batch proposal.
 max_proposal_bytes = 22020096
 # Max amount of gas per block 
+# FIXME: adjust these two values everywhere, also in the repo where the genesis for testnets lives
 max_block_gas = 1000000000 
 # Fee unshielding gas limit
 fee_unshielding_gas_limit = 1000000
diff --git a/tests/src/e2e/ibc_tests.rs b/tests/src/e2e/ibc_tests.rs
index 46505919ee9..23733376128 100644
--- a/tests/src/e2e/ibc_tests.rs
+++ b/tests/src/e2e/ibc_tests.rs
@@ -779,8 +779,6 @@ fn transfer_received_token(
         &sub_prefix,
         "--amount",
         "50000",
-        "--gas-limit",
-        "50",
         "--fee-token",
         NAM,
         "--node",
@@ -994,8 +992,6 @@ fn submit_ibc_tx(
             &data_path,
             "--signer",
             signer,
-            "--gas-limit",
-            "40",
             "--fee-token",
             NAM,
             "--node",
@@ -1040,8 +1036,6 @@ fn transfer(
         &channel_id,
         "--port-id",
         &port_id,
-        "--gas-limit",
-        "100",
         "--node",
         &rpc,
     ];
diff --git a/tests/src/e2e/ledger_tests.rs b/tests/src/e2e/ledger_tests.rs
index 895e3fccde3..12f4285f494 100644
--- a/tests/src/e2e/ledger_tests.rs
+++ b/tests/src/e2e/ledger_tests.rs
@@ -122,8 +122,6 @@ fn test_node_connectivity_and_consensus() -> Result<()> {
         NAM,
         "--amount",
         "10.1",
-        "--gas-limit",
-        "100",
         "--node",
         &validator_one_rpc,
     ];
@@ -392,8 +390,6 @@ fn ledger_txs_and_queries() -> Result<()> {
             NAM,
             "--amount",
             "10.1",
-            "--gas-limit",
-            "40",
             "--node",
             &validator_one_rpc,
         ],
@@ -408,8 +404,6 @@ fn ledger_txs_and_queries() -> Result<()> {
             NAM,
             "--amount",
             "10.1",
-            "--gas-limit",
-            "40",
             "--node",
             &validator_one_rpc,
         ],
@@ -417,12 +411,10 @@ fn ledger_txs_and_queries() -> Result<()> {
         // predicate
         vec![
             "update",
-             "--address",
-             BERTHA,
-             "--code-path",
-             VP_USER_WASM,
-             "--gas-limit",
-             "40",
+            "--address",
+            BERTHA,
+            "--code-path",
+            VP_USER_WASM,
             "--node",
             &validator_one_rpc,
         ],
@@ -435,10 +427,8 @@ fn ledger_txs_and_queries() -> Result<()> {
             TX_TRANSFER_WASM,
             "--data-path",
             &tx_data_path,
-            "--gas-limit",
-            "40",
             "--node",
-            &validator_one_rpc
+            &validator_one_rpc,
         ],
         // 5. Submit a tx to initialize a new account
         vec![
@@ -452,31 +442,27 @@ fn ledger_txs_and_queries() -> Result<()> {
             VP_USER_WASM,
             "--alias",
             "Test-Account",
-            "--gas-limit",
-            "40",
-            "--node",
-            &validator_one_rpc,
-        ],
-    // 6. Submit a tx to withdraw from faucet account (requires PoW challenge
-    //    solution)
-        vec![
-            "transfer",
-            "--source",
-            "faucet",
-            "--target",
-            ALBERT,
-            "--token",
-            NAM,
-            "--amount",
-            "10.1",
-            // Faucet withdrawal requires an explicit signer
-            "--signer",
-            ALBERT,
-            "--gas-limit",
-            "40",
             "--node",
             &validator_one_rpc,
         ],
+        // 6. Submit a tx to withdraw from faucet account (requires PoW challenge
+        //    solution)
+            vec![
+                "transfer",
+                "--source",
+                "faucet",
+                "--target",
+                ALBERT,
+                "--token",
+                NAM,
+                "--amount",
+                "10.1",
+                // Faucet withdrawal requires an explicit signer
+                "--signer",
+                ALBERT,
+                "--node",
+                &validator_one_rpc,
+            ],
     ];
 
     for tx_args in &txs_args {
@@ -743,8 +729,6 @@ fn wrapper_fee_unshielding() -> Result<()> {
                 NAM,
                 "--amount",
                 "50000",
-                "--gas-limit",
-                "40",
                 "--ledger-address",
                 &validator_one_rpc,
             ],
@@ -752,6 +736,7 @@ fn wrapper_fee_unshielding() -> Result<()> {
         ),
         // 2. Invalid unshielding
         (
+            //FIXME: should force this?
             vec![
                 "transfer",
                 "--source",
@@ -762,8 +747,6 @@ fn wrapper_fee_unshielding() -> Result<()> {
                 NAM,
                 "--amount",
                 "1",
-                "--gas-limit",
-                "100",
                 "--fee-spending-key",
                 B_SPENDING_KEY,
                 "--ledger-address",
@@ -773,6 +756,7 @@ fn wrapper_fee_unshielding() -> Result<()> {
         ),
         // 3. Valid unshielding
         (
+            //FIXME: it appears like it doesn't actually attach the unshielding operation
             vec![
                 "transfer",
                 "--source",
@@ -783,8 +767,6 @@ fn wrapper_fee_unshielding() -> Result<()> {
                 NAM,
                 "--amount",
                 "1",
-                "--gas-limit",
-                "40",
                 "--fee-spending-key",
                 A_SPENDING_KEY,
                 "--ledger-address",
@@ -872,8 +854,6 @@ fn masp_txs_and_queries() -> Result<()> {
                 NAM,
                 "--amount",
                 "100000",
-                "--gas-limit",
-                "20",
                 "--node",
                 &validator_one_rpc,
             ],
@@ -891,8 +871,6 @@ fn masp_txs_and_queries() -> Result<()> {
                 BTC,
                 "--amount",
                 "10",
-                "--gas-limit",
-                "1",
                 "--node",
                 &validator_one_rpc,
             ],
@@ -910,8 +888,6 @@ fn masp_txs_and_queries() -> Result<()> {
                 BTC,
                 "--amount",
                 "15",
-                "--gas-limit",
-                "1",
                 "--node",
                 &validator_one_rpc,
             ],
@@ -929,8 +905,6 @@ fn masp_txs_and_queries() -> Result<()> {
                 BTC,
                 "--amount",
                 "20",
-                "--gas-limit",
-                "100",
                 "--node",
                 &validator_one_rpc,
             ],
@@ -950,8 +924,6 @@ fn masp_txs_and_queries() -> Result<()> {
                 "10",
                 "--signer",
                 ALBERT,
-                "--gas-limit",
-                "20",
                 "--node",
                 &validator_one_rpc,
             ],
@@ -971,8 +943,6 @@ fn masp_txs_and_queries() -> Result<()> {
                 "7",
                 "--signer",
                 ALBERT,
-                "--gas-limit",
-                "100",
                 "--node",
                 &validator_one_rpc,
             ],
@@ -992,8 +962,6 @@ fn masp_txs_and_queries() -> Result<()> {
                 "7",
                 "--signer",
                 ALBERT,
-                "--gas-limit",
-                "100",
                 "--node",
                 &validator_one_rpc,
             ],
@@ -1013,8 +981,6 @@ fn masp_txs_and_queries() -> Result<()> {
                 "7",
                 "--signer",
                 ALBERT,
-                "--gas-limit",
-                "30",
                 "--node",
                 &validator_one_rpc,
             ],
@@ -1034,8 +1000,6 @@ fn masp_txs_and_queries() -> Result<()> {
                 "6",
                 "--signer",
                 ALBERT,
-                "--gas-limit",
-                "100",
                 "--node",
                 &validator_one_rpc,
             ],
@@ -1092,8 +1056,6 @@ fn masp_txs_and_queries() -> Result<()> {
                 "20",
                 "--signer",
                 BERTHA,
-                "--gas-limit",
-                "150",
                 "--node",
                 &validator_one_rpc,
             ],
@@ -1217,8 +1179,6 @@ fn masp_pinned_txs() -> Result<()> {
             BTC,
             "--amount",
             "20",
-            "--gas-limit",
-            "100",
             "--node",
             &validator_one_rpc
         ],
@@ -1344,8 +1304,6 @@ fn masp_incentives() -> Result<()> {
             BTC,
             "--amount",
             "20",
-            "--gas-limit",
-            "150",
             "--signer",
             ALBERT,
             "--node",
@@ -1540,8 +1498,6 @@ fn masp_incentives() -> Result<()> {
             ETH,
             "--amount",
             "30",
-            "--gas-limit",
-            "150",
             "--signer",
             ALBERT,
             "--node",
@@ -1672,8 +1628,6 @@ fn masp_incentives() -> Result<()> {
             "30",
             "--signer",
             BERTHA,
-            "--gas-limit",
-            "150",
             "--node",
             &validator_one_rpc
         ],
@@ -1766,8 +1720,6 @@ fn masp_incentives() -> Result<()> {
             "20",
             "--signer",
             ALBERT,
-            "--gas-limit",
-            "150",
             "--node",
             &validator_one_rpc
         ],
@@ -1926,8 +1878,6 @@ fn masp_incentives() -> Result<()> {
             &((amt30 * masp_rewards[&eth()]).0 * (ep5.0 - ep3.0)).to_string(),
             "--signer",
             BERTHA,
-            "--gas-limit",
-            "150",
             "--node",
             &validator_one_rpc
         ],
@@ -1955,8 +1905,6 @@ fn masp_incentives() -> Result<()> {
             &((amt20 * masp_rewards[&btc()]).0 * (ep6.0 - ep0.0)).to_string(),
             "--signer",
             ALBERT,
-            "--gas-limit",
-            "150",
             "--node",
             &validator_one_rpc
         ],
@@ -2056,8 +2004,6 @@ fn invalid_transactions() -> Result<()> {
         NAM,
         "--amount",
         "1",
-        "--gas-limit",
-        "100",
         "--node",
         &validator_one_rpc,
     ];
@@ -2110,7 +2056,7 @@ fn invalid_transactions() -> Result<()> {
         "--amount",
         "1_000_000.1",
         "--gas-limit",
-        "100",
+        "10000000",
         // Force to ignore client check that fails on the balance check of the
         // source address
         "--force",
@@ -2182,8 +2128,6 @@ fn pos_bonds() -> Result<()> {
         "validator-0",
         "--amount",
         "10000.0",
-        "--gas-limit",
-        "100",
         "--node",
         &validator_one_rpc,
     ];
@@ -2201,8 +2145,6 @@ fn pos_bonds() -> Result<()> {
         BERTHA,
         "--amount",
         "5000.0",
-        "--gas-limit",
-        "100",
         "--node",
         &validator_one_rpc,
     ];
@@ -2217,8 +2159,6 @@ fn pos_bonds() -> Result<()> {
         "validator-0",
         "--amount",
         "5100.0",
-        "--gas-limit",
-        "100",
         "--node",
         &validator_one_rpc,
     ];
@@ -2236,8 +2176,6 @@ fn pos_bonds() -> Result<()> {
         BERTHA,
         "--amount",
         "3200.",
-        "--gas-limit",
-        "100",
         "--node",
         &validator_one_rpc,
     ];
@@ -2276,8 +2214,6 @@ fn pos_bonds() -> Result<()> {
         "withdraw",
         "--validator",
         "validator-0",
-        "--gas-limit",
-        "100",
         "--node",
         &validator_one_rpc,
     ];
@@ -2293,8 +2229,6 @@ fn pos_bonds() -> Result<()> {
         "validator-0",
         "--source",
         BERTHA,
-        "--gas-limit",
-        "100",
         "--node",
         &validator_one_rpc,
     ];
@@ -2687,8 +2621,6 @@ fn pos_init_validator() -> Result<()> {
         "--source",
         BERTHA,
         "--unsafe-dont-encrypt",
-        "--gas-limit",
-        "100",
         "--commission-rate",
         "0.05",
         "--max-commission-rate-change",
@@ -2712,8 +2644,6 @@ fn pos_init_validator() -> Result<()> {
         NAM,
         "--amount",
         "10000.5",
-        "--gas-limit",
-        "100",
         "--node",
         &non_validator_rpc,
     ];
@@ -2731,8 +2661,6 @@ fn pos_init_validator() -> Result<()> {
         BERTHA,
         "--amount",
         delegation_str,
-        "--gas-limit",
-        "100",
         "--node",
         &non_validator_rpc,
     ];
@@ -2752,8 +2680,6 @@ fn pos_init_validator() -> Result<()> {
         NAM,
         "--amount",
         validator_stake_str,
-        "--gas-limit",
-        "100",
         "--node",
         &non_validator_rpc,
     ];
@@ -2768,8 +2694,6 @@ fn pos_init_validator() -> Result<()> {
         new_validator,
         "--amount",
         validator_stake_str,
-        "--gas-limit",
-        "100",
         "--node",
         &non_validator_rpc,
     ];
@@ -2854,18 +2778,8 @@ fn ledger_many_txs_in_a_block() -> Result<()> {
 
     // A token transfer tx args
     let tx_args = Arc::new(vec![
-        "transfer",
-        "--source",
-        BERTHA,
-        "--target",
-        ALBERT,
-        "--token",
-        NAM,
-        "--amount",
-        "1.01",
-        "--gas-limit",
-        "100",
-        "--node",
+        "transfer", "--source", BERTHA, "--target", ALBERT, "--token", NAM,
+        "--amount", "1.01", "--node",
     ]);
 
     // 2. Spawn threads each submitting token transfer tx
@@ -2957,8 +2871,6 @@ fn proposal_submission() -> Result<()> {
         BERTHA,
         "--amount",
         "900",
-        "--gas-limit",
-        "100",
         "--node",
         &validator_one_rpc,
     ];
@@ -2984,8 +2896,6 @@ fn proposal_submission() -> Result<()> {
         "init-proposal",
         "--data-path",
         valid_proposal_json_path.to_str().unwrap(),
-        "--gas-limit",
-        "100",
         "--node",
         &validator_one_rpc,
     ];
@@ -3087,8 +2997,6 @@ fn proposal_submission() -> Result<()> {
         "init-proposal",
         "--data-path",
         invalid_proposal_json_path.to_str().unwrap(),
-        "--gas-limit",
-        "100",
         "--node",
         &validator_one_rpc,
     ];
@@ -3143,8 +3051,6 @@ fn proposal_submission() -> Result<()> {
         "yay",
         "--signer",
         "validator-0",
-        "--gas-limit",
-        "100",
         "--node",
         &validator_one_rpc,
     ];
@@ -3167,8 +3073,6 @@ fn proposal_submission() -> Result<()> {
         "nay",
         "--signer",
         BERTHA,
-        "--gas-limit",
-        "100",
         "--node",
         &validator_one_rpc,
     ];
@@ -3187,8 +3091,6 @@ fn proposal_submission() -> Result<()> {
         "yay",
         "--signer",
         ALBERT,
-        "--gas-limit",
-        "100",
         "--node",
         &validator_one_rpc,
     ];
@@ -3317,8 +3219,6 @@ fn eth_governance_proposal() -> Result<()> {
         BERTHA,
         "--amount",
         "900",
-        "--gas-limit",
-        "100",
         "--ledger-address",
         &validator_one_rpc,
     ];
@@ -3336,8 +3236,6 @@ fn eth_governance_proposal() -> Result<()> {
         "init-proposal",
         "--data-path",
         valid_proposal_json_path.to_str().unwrap(),
-        "--gas-limit",
-        "100",
         "--ledger-address",
         &validator_one_rpc,
     ];
@@ -3416,8 +3314,6 @@ fn eth_governance_proposal() -> Result<()> {
         &vote_arg,
         "--signer",
         BERTHA,
-        "--gas-limit",
-        "100",
         "--ledger-address",
         &validator_one_rpc,
     ];
@@ -3439,8 +3335,6 @@ fn eth_governance_proposal() -> Result<()> {
         &vote_arg,
         "--signer",
         "validator-0",
-        "--gas-limit",
-        "100",
         "--ledger-address",
         &validator_one_rpc,
     ];
@@ -3545,8 +3439,6 @@ fn pgf_governance_proposal() -> Result<()> {
         BERTHA,
         "--amount",
         "900",
-        "--gas-limit",
-        "40",
         "--ledger-address",
         &validator_one_rpc,
     ];
@@ -3564,8 +3456,6 @@ fn pgf_governance_proposal() -> Result<()> {
         "init-proposal",
         "--data-path",
         valid_proposal_json_path.to_str().unwrap(),
-        "--gas-limit",
-        "40",
         "--ledger-address",
         &validator_one_rpc,
     ];
@@ -3582,8 +3472,6 @@ fn pgf_governance_proposal() -> Result<()> {
         "init-proposal",
         "--data-path",
         valid_proposal_json_path.to_str().unwrap(),
-        "--gas-limit",
-        "40",
         "--ledger-address",
         &validator_one_rpc,
     ];
@@ -3666,8 +3554,6 @@ fn pgf_governance_proposal() -> Result<()> {
         &arg_vote,
         "--signer",
         "validator-0",
-        "--gas-limit",
-        "40",
         "--ledger-address",
         &validator_one_rpc,
     ];
@@ -3694,8 +3580,6 @@ fn pgf_governance_proposal() -> Result<()> {
         &different_vote,
         "--signer",
         BERTHA,
-        "--gas-limit",
-        "40",
         "--ledger-address",
         &validator_one_rpc,
     ];
@@ -3715,8 +3599,6 @@ fn pgf_governance_proposal() -> Result<()> {
         &different_vote,
         "--signer",
         BERTHA,
-        "--gas-limit",
-        "40",
         "--ledger-address",
         &validator_one_rpc,
     ];
@@ -3826,8 +3708,6 @@ fn proposal_offline() -> Result<()> {
         ALBERT,
         "--amount",
         "900",
-        "--gas-limit",
-        "1",
         "--node",
         &validator_one_rpc,
     ];
@@ -3873,8 +3753,6 @@ fn proposal_offline() -> Result<()> {
         "--data-path",
         valid_proposal_json_path.to_str().unwrap(),
         "--offline",
-        "--gas-limit",
-        "1",
         "--node",
         &validator_one_rpc,
     ];
@@ -3900,8 +3778,6 @@ fn proposal_offline() -> Result<()> {
         "yay",
         "--signer",
         ALBERT,
-        "--gas-limit",
-        "1",
         "--offline",
         "--node",
         &validator_one_rpc,
@@ -4299,8 +4175,6 @@ fn test_genesis_validators() -> Result<()> {
         NAM,
         "--amount",
         "10.1",
-        "--gas-limit",
-        "100",
         "--node",
         &validator_one_rpc,
     ];