diff --git a/src/ORM/payout-snapshot/payout-distribution.ts b/src/ORM/payout-snapshot/payout-distribution.ts
index 20b1a9b..b7694f9 100644
--- a/src/ORM/payout-snapshot/payout-distribution.ts
+++ b/src/ORM/payout-snapshot/payout-distribution.ts
@@ -1,3 +1,8 @@
+/*
+ * Portions of this file are derived from or heavily informed by Blitzpool by warioishere.
+ * https://github.com/warioishere/blitzpool
+ */
+
 import { AddressType, getAddressInfo } from 'bitcoin-address-validation';
 
 export interface PayoutAddressWork {
diff --git a/src/ORM/payout-snapshot/payout-snapshot.service.ts b/src/ORM/payout-snapshot/payout-snapshot.service.ts
index 39a9579..3739a3b 100644
--- a/src/ORM/payout-snapshot/payout-snapshot.service.ts
+++ b/src/ORM/payout-snapshot/payout-snapshot.service.ts
@@ -1,3 +1,8 @@
+/*
+ * Portions of this file are derived from or heavily informed by Blitzpool by warioishere.
+ * https://github.com/warioishere/blitzpool
+ */
+
 import { Injectable } from '@nestjs/common';
 import { DataSource, EntityManager } from 'typeorm';
 
diff --git a/src/models/StratumV2Client.ts b/src/models/StratumV2Client.ts
index f310991..2707813 100644
--- a/src/models/StratumV2Client.ts
+++ b/src/models/StratumV2Client.ts
@@ -1,3 +1,8 @@
+/*
+ * Portions of this file are derived from or heavily informed by Blitzpool by warioishere.
+ * https://github.com/warioishere/blitzpool
+ */
+
 import { ConfigService } from '@nestjs/config';
 import { getAddressInfo } from 'bitcoin-address-validation';
 import * as bitcoinjs from 'bitcoinjs-lib';
diff --git a/src/models/sv2/sv2-authority-key.ts b/src/models/sv2/sv2-authority-key.ts
index 37f6d0e..f49ca77 100644
--- a/src/models/sv2/sv2-authority-key.ts
+++ b/src/models/sv2/sv2-authority-key.ts
@@ -1,3 +1,8 @@
+/*
+ * Portions of this file are derived from or heavily informed by Blitzpool by warioishere.
+ * https://github.com/warioishere/blitzpool
+ */
+
 import * as bs58 from 'bs58';
 import * as crypto from 'crypto';
 
diff --git a/src/models/sv2/sv2-binary-codec.ts b/src/models/sv2/sv2-binary-codec.ts
index ebb1703..f450934 100644
--- a/src/models/sv2/sv2-binary-codec.ts
+++ b/src/models/sv2/sv2-binary-codec.ts
@@ -1,3 +1,8 @@
+/*
+ * Portions of this file are derived from or heavily informed by Blitzpool by warioishere.
+ * https://github.com/warioishere/blitzpool
+ */
+
 // ── SV2 Binary Codec ────────────────────────────────────────────────
 // Sequential Buffer reader / accumulator-pattern writer for all SV2
 // data types.  All multi-byte integers are little-endian per spec.
diff --git a/src/models/sv2/sv2-constants.ts b/src/models/sv2/sv2-constants.ts
index f1b54b9..a614a66 100644
--- a/src/models/sv2/sv2-constants.ts
+++ b/src/models/sv2/sv2-constants.ts
@@ -1,3 +1,8 @@
+/*
+ * Portions of this file are derived from or heavily informed by Blitzpool by warioishere.
+ * https://github.com/warioishere/blitzpool
+ */
+
 // ── SV2 Protocol Constants ──────────────────────────────────────────
 
 /** Standard (unencrypted) frame header: 2-byte ext+type + 3-byte length + 1-byte channel bit = 6 */
diff --git a/src/models/sv2/sv2-extended-messages.ts b/src/models/sv2/sv2-extended-messages.ts
index eb5f0fd..c84d994 100644
--- a/src/models/sv2/sv2-extended-messages.ts
+++ b/src/models/sv2/sv2-extended-messages.ts
@@ -1,3 +1,8 @@
+/*
+ * Portions of this file are derived from or heavily informed by Blitzpool by warioishere.
+ * https://github.com/warioishere/blitzpool
+ */
+
 // ── SV2 Extended Mining Channel Messages ────────────────────────────
 // Interfaces + serialize/deserialize for extended channel message types.
 
diff --git a/src/models/sv2/sv2-extranonce-manager.ts b/src/models/sv2/sv2-extranonce-manager.ts
index f7ede76..a9ee1dc 100644
--- a/src/models/sv2/sv2-extranonce-manager.ts
+++ b/src/models/sv2/sv2-extranonce-manager.ts
@@ -1,3 +1,8 @@
+/*
+ * Portions of this file are derived from or heavily informed by Blitzpool by warioishere.
+ * https://github.com/warioishere/blitzpool
+ */
+
 import { SV2_EXTENDED_TOTAL_EXTRANONCE_SIZE_BYTES } from '../stratum.constants';
 
 // -- SV2 Extranonce Manager ------------------------------------------
diff --git a/src/models/sv2/sv2-frame.ts b/src/models/sv2/sv2-frame.ts
index 263e330..d64bcac 100644
--- a/src/models/sv2/sv2-frame.ts
+++ b/src/models/sv2/sv2-frame.ts
@@ -1,3 +1,8 @@
+/*
+ * Portions of this file are derived from or heavily informed by Blitzpool by warioishere.
+ * https://github.com/warioishere/blitzpool
+ */
+
 // ── SV2 Frame Encoding / Decoding ───────────────────────────────────
 // Handles 6-byte frame headers, encrypted framing with ChaCha20-Poly1305
 // AEAD chunking, and incremental TCP reassembly.
diff --git a/src/models/sv2/sv2-jdp-messages.ts b/src/models/sv2/sv2-jdp-messages.ts
index 81cb65b..6f7f494 100644
--- a/src/models/sv2/sv2-jdp-messages.ts
+++ b/src/models/sv2/sv2-jdp-messages.ts
@@ -1,3 +1,8 @@
+/*
+ * Portions of this file are derived from or heavily informed by Blitzpool by warioishere.
+ * https://github.com/warioishere/blitzpool
+ */
+
 // ── SV2 Job Declaration Protocol (JDP) Messages ────────────────────
 // Interfaces + serialize/deserialize for all JDP message types and
 // the Mining Protocol custom job bridge messages.
diff --git a/src/models/sv2/sv2-messages.ts b/src/models/sv2/sv2-messages.ts
index 88bdb63..282cb0b 100644
--- a/src/models/sv2/sv2-messages.ts
+++ b/src/models/sv2/sv2-messages.ts
@@ -1,3 +1,8 @@
+/*
+ * Portions of this file are derived from or heavily informed by Blitzpool by warioishere.
+ * https://github.com/warioishere/blitzpool
+ */
+
 // ── SV2 Mining Protocol Messages ────────────────────────────────────
 // Interfaces + serialize/deserialize for each message needed for
 // standard mining channels.
diff --git a/src/models/sv2/sv2-noise.ts b/src/models/sv2/sv2-noise.ts
index bac91a3..cc7420c 100644
--- a/src/models/sv2/sv2-noise.ts
+++ b/src/models/sv2/sv2-noise.ts
@@ -1,3 +1,8 @@
+/*
+ * Portions of this file are derived from or heavily informed by Blitzpool by warioishere.
+ * https://github.com/warioishere/blitzpool
+ */
+
 // ── SV2 Noise NX Handshake & Encrypted Transport ────────────────────
 // Implements Noise_NX_Secp256k1+EllSwift_ChaChaPoly_SHA256 for SV2.
 // Server (responder) side: receives Act 1, sends Act 2, then
diff --git a/src/models/sv2/sv2-siphash.ts b/src/models/sv2/sv2-siphash.ts
index 94759e8..ef3f3f7 100644
--- a/src/models/sv2/sv2-siphash.ts
+++ b/src/models/sv2/sv2-siphash.ts
@@ -1,3 +1,8 @@
+/*
+ * Portions of this file are derived from or heavily informed by Blitzpool by warioishere.
+ * https://github.com/warioishere/blitzpool
+ */
+
 // ── SipHash-2-4 ────────────────────────────────────────────────────
 // Pure TypeScript implementation of SipHash-2-4 for SV2 JDP short
 // transaction IDs. Produces 8-byte (64-bit) hashes, truncated to
diff --git a/src/models/sv2/sv2-tdp-messages.ts b/src/models/sv2/sv2-tdp-messages.ts
index 59a63b5..14d922e 100644
--- a/src/models/sv2/sv2-tdp-messages.ts
+++ b/src/models/sv2/sv2-tdp-messages.ts
@@ -1,3 +1,8 @@
+/*
+ * Portions of this file are derived from or heavily informed by Blitzpool by warioishere.
+ * https://github.com/warioishere/blitzpool
+ */
+
 // ── SV2 Template Distribution Protocol (TDP) Messages ──────────────
 // Interfaces + serialize/deserialize for all TDP message types.
 
diff --git a/src/services/custom-work.service.ts b/src/services/custom-work.service.ts
index 490a501..99a8682 100644
--- a/src/services/custom-work.service.ts
+++ b/src/services/custom-work.service.ts
@@ -1,3 +1,8 @@
+/*
+ * Portions of this file are derived from or heavily informed by Blitzpool by warioishere.
+ * https://github.com/warioishere/blitzpool
+ */
+
 import { Injectable } from '@nestjs/common';
 import { BufferReader } from '../models/sv2/sv2-binary-codec';
 import { Sv2SetCustomMiningJob } from '../models/sv2/sv2-jdp-messages';
diff --git a/src/services/sv2-job-declaration-registry.service.ts b/src/services/sv2-job-declaration-registry.service.ts
index 483b56b..c6bafa8 100644
--- a/src/services/sv2-job-declaration-registry.service.ts
+++ b/src/services/sv2-job-declaration-registry.service.ts
@@ -1,3 +1,8 @@
+/*
+ * Portions of this file are derived from or heavily informed by Blitzpool by warioishere.
+ * https://github.com/warioishere/blitzpool
+ */
+
 import { Injectable } from '@nestjs/common';
 import * as crypto from 'crypto';
 
diff --git a/src/services/sv2-job-declaration.service.ts b/src/services/sv2-job-declaration.service.ts
index 6737405..e3f27d7 100644
--- a/src/services/sv2-job-declaration.service.ts
+++ b/src/services/sv2-job-declaration.service.ts
@@ -1,3 +1,8 @@
+/*
+ * Portions of this file are derived from or heavily informed by Blitzpool by warioishere.
+ * https://github.com/warioishere/blitzpool
+ */
+
 import { Injectable, OnModuleInit } from '@nestjs/common';
 import { ConfigService } from '@nestjs/config';
 import * as bitcoinjs from 'bitcoinjs-lib';
diff --git a/src/services/sv2-template-distribution.service.ts b/src/services/sv2-template-distribution.service.ts
index bb62416..947f33a 100644
--- a/src/services/sv2-template-distribution.service.ts
+++ b/src/services/sv2-template-distribution.service.ts
@@ -1,3 +1,8 @@
+/*
+ * Portions of this file are derived from or heavily informed by Blitzpool by warioishere.
+ * https://github.com/warioishere/blitzpool
+ */
+
 import { Injectable, OnModuleInit } from '@nestjs/common';
 import { ConfigService } from '@nestjs/config';
 import * as bitcoinjs from 'bitcoinjs-lib';
diff --git a/src/services/template-provider.service.ts b/src/services/template-provider.service.ts
index 6920367..dda7451 100644
--- a/src/services/template-provider.service.ts
+++ b/src/services/template-provider.service.ts
@@ -1,3 +1,8 @@
+/*
+ * Portions of this file are derived from or heavily informed by Blitzpool by warioishere.
+ * https://github.com/warioishere/blitzpool
+ */
+
 import { Injectable, OnModuleInit } from '@nestjs/common';
 import * as bitcoinjs from 'bitcoinjs-lib';
 import { Subscription } from 'rxjs';