diff --git a/.env.example b/.env.example
index 0b8644d4..8dface4d 100644
--- a/.env.example
+++ b/.env.example
@@ -299,6 +299,17 @@ MODULE_litecoin-mweb_NODES[]=http://login:password@127.0.0.2:1234/
 MODULE_litecoin-mweb_REQUESTER_TIMEOUT=60
 MODULE_litecoin-mweb_REQUESTER_THREADS=12
 
+##########################
+## Minimal Polkadot Module
+##########################
+
+MODULES[]=polkadot-minimal
+MODULE_polkadot-minimal_CLASS=PolkadotMinimalModule
+MODULE_polkadot-minimal_NODES[]=http://login:password@127.0.0.1:1234/
+MODULE_polkadot-minimal_NODES[]=http://login:password@127.0.0.2:1234/
+MODULE_polkadot-minimal_REQUESTER_TIMEOUT=60
+MODULE_polkadot-minimal_REQUESTER_THREADS=12
+
 ######################
 ## Main Polygon Module
 ######################
@@ -445,6 +456,7 @@ FRONT_bitcoin-cash_ECOSYSTEM_TITLE=Bitcoin Cash Ecosystem
 FRONT_polygon_ECOSYSTEM_TITLE=Polygon Ecosystem
 FRONT_zcash_ECOSYSTEM_TITLE=Zcash Ecosystem
 FRONT_cardano_ECOSYSTEM_TITLE=Cardano Ecosystem
+FRONT_polkadot_ECOSYSTEM_TITLE=Polkadot Ecosystem
 FRONT_dash_ECOSYSTEM_TITLE=Dash Ecosystem
 FRONT_handshake_ECOSYSTEM_TITLE=Handshake Ecosystem
 FRONT_polygon-zkevm_ECOSYSTEM_TITLE=Polygon zkEVM Ecosystem
@@ -459,6 +471,7 @@ FRONT_bitcoin-cash_ECOSYSTEM_DESCRIPTION=Includes Bitcoin Cash only
 FRONT_polygon_ECOSYSTEM_DESCRIPTION=Includes Polygon only
 FRONT_zcash_ECOSYSTEM_DESCRIPTION=Includes Zcash only
 FRONT_cardano_ECOSYSTEM_DESCRIPTION=Includes Cardano only
+FRONT_polkadot_ECOSYSTEM_DESCRIPTION=Includes Polkadot only
 FRONT_dash_ECOSYSTEM_DESCRIPTION=Includes Dash only
 FRONT_handshake_ECOSYSTEM_DESCRIPTION=Includes Handshake only
 FRONT_polygon-zkevm_ECOSYSTEM_DESCRIPTION=Includes Polygon zkEVM only
@@ -473,6 +486,7 @@ FRONT_bitcoin-cash_BLOCKCHAIN_TITLE=Bitcoin Cash
 FRONT_polygon_BLOCKCHAIN_TITLE=Polygon
 FRONT_zcash_BLOCKCHAIN_TITLE=Zcash
 FRONT_cardano_BLOCKCHAIN_TITLE=Cardano
+FRONT_polkadot_BLOCKCHAIN_TITLE=Polkadot
 FRONT_dash_BLOCKCHAIN_TITLE=Dash
 FRONT_handshake_BLOCKCHAIN_TITLE=Handshake
 FRONT_polygon-zkevm_BLOCKCHAIN_TITLE=Polygon zkEVM
@@ -487,6 +501,7 @@ FRONT_bitcoin-cash_BLOCKCHAIN_DESCRIPTION=The first Bitcoin fork
 FRONT_polygon_BLOCKCHAIN_DESCRIPTION=An EVM chain
 FRONT_zcash_BLOCKCHAIN_DESCRIPTION=Supports transparent, Sprout, Sapling, and Orchard shielded pools
 FRONT_cardano_BLOCKCHAIN_DESCRIPTION=Cardano
+FRONT_polkadot_BLOCKCHAIN_DESCRIPTION=Polkadot
 FRONT_dash_BLOCKCHAIN_DESCRIPTION=Dash
 FRONT_handshake_BLOCKCHAIN_DESCRIPTION=Handshake
 FRONT_polygon-zkevm_BLOCKCHAIN_DESCRIPTION=Polygon zkEVM
@@ -517,6 +532,7 @@ FRONT_polygon-erc-721_MODULE_TITLE=ERC-721
 FRONT_polygon-erc-1155_MODULE_TITLE=ERC-1155
 FRONT_zcash-main_MODULE_TITLE=Main
 FRONT_cardano-main_MODULE_TITLE=Main
+FRONT_polkadot-minimal_MODULE_TITLE=Minimal
 FRONT_dash-main_MODULE_TITLE=Main
 FRONT_dash-dip-2_MODULE_TITLE=DIP-2
 FRONT_handshake-main_MODULE_TITLE=Main
@@ -552,6 +568,7 @@ FRONT_polygon-erc-721_MODULE_DESCRIPTION=ERC-721 token transfers
 FRONT_polygon-erc-1155_MODULE_DESCRIPTION=ERC-1155 token transfers
 FRONT_zcash-main_MODULE_DESCRIPTION=Supports transparent, Sprout, Sapling, and Orchard shielded pools
 FRONT_cardano-main_MODULE_DESCRIPTION=Main Cardano transfers (UTXO)
+FRONT_polkadot-minimal_MODULE_DESCRIPTION=Polkadot transfers between accounts
 FRONT_dash-main_MODULE_DESCRIPTION=Main Dash transfers
 FRONT_dash-dip-2_MODULE_DESCRIPTION=DIP-2 special transfers
 FRONT_handshake-main_MODULE_DESCRIPTION=Main Handshake transfers
diff --git a/Modules/Common/PolkadotLikeMinimalModule.php b/Modules/Common/PolkadotLikeMinimalModule.php
new file mode 100644
index 00000000..2a7ab8fe
--- /dev/null
+++ b/Modules/Common/PolkadotLikeMinimalModule.php
@@ -0,0 +1,243 @@
+<?php declare(strict_types = 1);
+
+/*  Copyright (c) 2023 Nikita Zhavoronkov, nikzh@nikzh.com
+ *  Copyright (c) 2023 3xpl developers, 3@3xpl.com
+ *  Distributed under the MIT software license, see the accompanying file LICENSE.md  */
+
+/*  This module processes some basic Polkadot transfers. It requires `subscan-explorer/subscan-essentials` to operate,
+ *  see https://github.com/subscan-explorer/subscan-essentials/blob/master/docs/index.md for details. Please note that
+ *  Polkadot has extrinsics instead of transactions, and not of them have "transaction hashes". Generally, this module
+ *  is still WIP and requires many improvements, thus it's called "minimal" instead of "main". */
+
+abstract class PolkadotLikeMinimalModule extends CoreModule
+{
+    use UTXOTraits;
+
+    public ?BlockHashFormat $block_hash_format = BlockHashFormat::HexWith0x;
+    public ?AddressFormat $address_format = AddressFormat::AlphaNumeric;
+    public ?TransactionHashFormat $transaction_hash_format = TransactionHashFormat::HexWith0x; // We process transactions with
+    // transfers only, so we don't take extrinsics without hashes into account
+    public ?TransactionRenderModel $transaction_render_model = TransactionRenderModel::Even;
+    public ?CurrencyFormat $currency_format = CurrencyFormat::Static;
+    public ?CurrencyType $currency_type = CurrencyType::FT;
+    public ?FeeRenderModel $fee_render_model = FeeRenderModel::ExtraF;
+    public ?bool $hidden_values_only = false;
+
+    public ?array $events_table_fields = ['block', 'transaction', 'sort_key', 'time', 'address', 'effect', 'failed', 'extra'];
+    public ?array $events_table_nullable_fields = ['extra'];
+
+    public ?ExtraDataModel $extra_data_model = ExtraDataModel::Default;
+
+    public ?bool $should_return_events = true;
+    public ?bool $should_return_currencies = false;
+    public ?bool $allow_empty_return_events = true;
+
+    public ?bool $mempool_implemented = false;
+    public ?bool $forking_implemented = true;
+
+    //
+
+    private ?array $block_data = null;
+
+    //
+
+    final public function pre_initialize()
+    {
+        $this->version = 1;
+    }
+
+    final public function post_post_initialize()
+    {
+        //
+    }
+
+    final public function inquire_latest_block()
+    {
+        return (int)requester_single($this->select_node(),
+            endpoint: 'api/scan/metadata',
+            params: true,
+            result_in: 'data',
+            timeout: $this->timeout)['blockNum'];
+    }
+
+    final public function ensure_block($block_id, $break_on_first = false)
+    {
+        $this->block_data = requester_single($this->select_node(),
+            endpoint: 'api/scan/block',
+            params: ['block_num' => $block_id],
+            result_in: 'data',
+            timeout: $this->timeout);
+
+        $this->block_hash = $this->block_data['hash'];
+        $this->block_time = date('Y-m-d H:i:s', (int)$this->block_data['block_timestamp']);
+    }
+
+    final public function pre_process_block($block_id)
+    {
+        if ($block_id === 0)
+        {
+            $this->set_return_events([]);
+            return;
+        }
+
+        $extrinsics = $extrinsics_with_hashes = [];
+
+        foreach ($this->block_data['extrinsics'] as $extrinsic)
+            if ($extrinsic['extrinsic_hash'])
+                $extrinsics_with_hashes[] = $extrinsic['extrinsic_hash'];
+
+        if (!$extrinsics_with_hashes)
+        {
+            $this->set_return_events([]);
+            return;
+        }
+
+        $events = [];
+        $multi_curl = [];
+
+        foreach ($extrinsics_with_hashes as $extrinsic_hash)
+            $multi_curl[] = requester_multi_prepare($this->select_node(),
+                endpoint: 'api/scan/extrinsic',
+                params: ['hash' => $extrinsic_hash],
+                timeout: $this->timeout);
+
+        $curl_results = requester_multi($multi_curl, limit: envm($this->module, 'REQUESTER_THREADS'), timeout: $this->timeout);
+
+        foreach ($curl_results as $v)
+        {
+            $extrinsics[] = requester_multi_process($v, result_in: 'data');
+        }
+
+        $transfers = [];
+
+        foreach ($extrinsics as $i)
+        {
+            $this_i = $fee = null;
+
+            if (count($i) !== 1)
+            {
+                $found = false;
+                foreach ($i as $j => $k)
+                {
+                    if ((int)$k['block_num'] === $block_id)
+                    {
+                        if ($found)
+                            throw new ModuleError('Two extrinsics with the same hash in one block');
+
+                        $found = true;
+                        $this_i = $j;
+                    }
+                }
+            }
+            else
+            {
+                $this_i = 0;
+            }
+
+            if (!isset($this_i))
+                continue;  // Block 12831012 contains 0xa36adc0ddedb4b9f9f8de5ef59fa6c99bbb8ca8bbc44d189dd0bedf6bf61b92e
+                           // which is present in 12857725, 12856380, 12855736, and many more, but not in 12831012 ¯\_(ツ)_/¯
+
+            if (!$i[$this_i]['transfers'])
+                continue;
+
+            $initiating_address = $i[$this_i]['account_id'];
+
+            if ($initiating_address === '') // This is a bit strange
+                $initiating_address = $i[$this_i]['transfers'][0]['from'];
+
+            $fee_found = false;
+            $extrinsic_failed = $i[$this_i]['failed'];
+
+            foreach ($i[$this_i]['event'] as $event)
+            {
+                if ($event['event_id'] === 'TransactionFeePaid')
+                {
+                    if ($fee_found)
+                        throw new ModuleError('Two fees');
+
+                    $fee_data = json_decode($event['params'], true);
+
+                    if (count($fee_data) !== 3)
+                        throw new ModuleError('Wrong fee data');
+                    if ($fee_data[1]['type_name'] !== 'BalanceOf')
+                        throw new ModuleError('Wrong fee data');
+
+                    $fee = $fee_data[1]['value'];
+                    $fee_found = true;
+                    $fee_idx = $event['event_idx'];
+                }
+            }
+
+            if (!$fee_found) // Uh-oh
+            {
+                $fee = $i[$this_i]['fee'];
+                    $fee_idx = $i[$this_i]['event'][0]['event_idx'];
+            }
+
+            foreach ($i[$this_i]['transfers'] as $this_transfer)
+            {
+                if ((int)$this_transfer['block_num'] !== $block_id)
+                    throw new ModuleError('Wrong block');
+
+                if ($extrinsic_failed && !$this_transfer['failed'])
+                    throw new ModuleError('Not failed');
+
+                $transfers[] =
+                    ['index' => $this_transfer['event_idx'],
+                     'hash' => $this_transfer['hash'],
+                     'from' => $this_transfer['from'],
+                     'to' => $this_transfer['to'],
+                     'amount' => $this_transfer['amount'],
+                     'failed' => $this_transfer['failed'],
+                     'type' => 'transfer'
+                    ];
+            }
+
+            $transfers[] =
+                ['index' => $fee_idx,
+                 'hash' => $this_transfer['hash'],
+                 'from' => $initiating_address,
+                 'to' => 'the-void',
+                 'amount' => $fee,
+                 'failed' => false,
+                 'type' => 'fee'
+                ];
+        }
+
+        usort($transfers, function($a, $b) {
+            return [$a['index']] <=> [$b['index']];
+        });
+
+        $sort_key = 0;
+
+        foreach ($transfers as $transfer)
+        {
+            $events[] = [
+                'transaction' => $transfer['hash'],
+                'address' => $transfer['from'],
+                'sort_key' => $sort_key++,
+                'effect' => '-' . $transfer['amount'],
+                'failed' => $transfer['failed'],
+                'extra' => ($transfer['type'] === 'fee') ? 'f' : null,
+            ];
+
+            $events[] = [
+                'transaction' => $transfer['hash'],
+                'address' => $transfer['to'],
+                'sort_key' => $sort_key++,
+                'effect' => $transfer['amount'],
+                'failed' => $transfer['failed'],
+                'extra' => ($transfer['type'] === 'fee') ? 'f' : null,
+            ];
+        }
+
+        foreach ($events as &$event)
+        {
+            $event['block'] = $block_id;
+            $event['time'] = $this->block_time;
+        }
+
+        $this->set_return_events($events);
+    }
+}
diff --git a/Modules/PolkadotMinimalModule.php b/Modules/PolkadotMinimalModule.php
new file mode 100644
index 00000000..30204223
--- /dev/null
+++ b/Modules/PolkadotMinimalModule.php
@@ -0,0 +1,22 @@
+<?php declare(strict_types = 1);
+
+/*  Copyright (c) 2023 Nikita Zhavoronkov, nikzh@nikzh.com
+ *  Copyright (c) 2023 3xpl developers, 3@3xpl.com
+ *  Distributed under the MIT software license, see the accompanying file LICENSE.md  */
+
+/*  This is a module for Polkadot. See PolkadotLikeMinimalModule.php for details.  */
+
+final class PolkadotMinimalModule extends PolkadotLikeMinimalModule implements Module
+{
+    function initialize()
+    {
+        // CoreModule
+        $this->blockchain = 'polkadot';
+        $this->module = 'polkadot-minimal';
+        $this->is_main = true;
+        $this->currency = 'polkadot';
+        $this->currency_details = ['name' => 'DOT', 'symbol' => 'DOT', 'decimals' => 10, 'description' => null];
+        $this->first_block_date = '2020-05-26';
+        $this->first_block_id = 0;
+    }
+}