{
    "meta": {
        "dataset": "Stratum Protocol Support Matrix",
        "publisher": "D-Central Technologies",
        "url": "https://d-central.tech/data/stratum-protocol-matrix/",
        "license": "https://creativecommons.org/licenses/by/4.0/",
        "version": "1.0",
        "dateModified": "2026-06-15",
        "description": "Stratum V1/V2/DATUM protocol support for 10 mining pools, 7 firmware builds, and 1 proxy tool. Grounded on the Bitcoin Mining Hack Bible. CC BY 4.0. As of 2026-06; verify at source.",
        "column_notes": {
            "v1_support": "For pools: accepts V1 miner connections. For firmware/proxy: speaks V1 as client. Values: yes | no.",
            "v2_support": "For pools: accepts V2 miner connections. For firmware/proxy: speaks V2 as client. Values: yes | no | testing | planned | infrastructure_ready | closed_beta.",
            "template_negotiation": "Values: yes (SV2 Job Declaration Protocol) | via_datum (OCEAN DATUM) | no | planned.",
            "dev_fee_pct": "Firmware dev fee as % of hashrate. \"n_a\" for pools. Ranges (e.g. \"2-2.5\") are not flat rates; verify at vendor.",
            "production_status": "Values: production | testing | planned | closed_beta."
        },
        "disclaimer": "Protocol support changes rapidly. Verify at each vendor's official documentation before deployment. As of 2026-06; not deployment advice."
    },
    "rows": [
        {
            "id": "braiins-pool",
            "name": "Braiins Pool",
            "entity_type": "pool",
            "v1_support": "yes",
            "v2_support": "yes",
            "template_negotiation": "yes",
            "version_rolling_bip310": "yes",
            "dev_fee_pct": "n_a",
            "production_status": "production",
            "source_url": "https://braiins.com/pool",
            "as_of_date": "2026-06",
            "notes": "Pioneer of Stratum V2. Native V2 since ~2020; 100% V2-capable as of June 2026 per industry sources. Full Job Declaration Protocol: miners can select their own transactions. BraiinsOS+ firmware connects natively via V2. V1 also accepted. Credit: Braiins developed and open-sourced the Stratum V2 specification. Verify current connection endpoints at braiins.com/pool."
        },
        {
            "id": "ocean-pool",
            "name": "OCEAN Pool",
            "entity_type": "pool",
            "v1_support": "yes",
            "v2_support": "no",
            "template_negotiation": "via_datum",
            "version_rolling_bip310": "yes",
            "dev_fee_pct": "n_a",
            "production_status": "production",
            "source_url": "https://ocean.xyz/docs/datum",
            "as_of_date": "2026-06",
            "notes": "OCEAN uses its own DATUM protocol, which is distinct from Stratum V2. The local DATUM Gateway serves standard Stratum V1 (with BIP 310 version rolling) to ASIC hardware; miners build block templates from a local Bitcoin full node; the pool is cryptographically blind to transaction contents. Non-custodial coinbase payouts. A local full node is REQUIRED to use DATUM. Note: v2_support=no because DATUM is not Stratum V2 — it is an independent decentralisation approach. Source: ocean.xyz/docs/datum; Bible Section 6 (DATUM Protocol)."
        },
        {
            "id": "demand-pool",
            "name": "DEMAND Pool (DMND)",
            "entity_type": "pool",
            "v1_support": "no",
            "v2_support": "yes",
            "template_negotiation": "yes",
            "version_rolling_bip310": "yes",
            "dev_fee_pct": "n_a",
            "production_status": "production",
            "source_url": "https://bitcoinmagazine.com/bitcoin-mining/dmnd-pool-now-open-to-all-miners-with-soc-2-compliance-and-stratum-v2-support",
            "as_of_date": "2026-06",
            "notes": "First mining pool built natively on Stratum V2 from the ground up. Public launch November 2025 with SOC 2 compliance and SLICE auditable payment system. Full Job Declaration Protocol for miner transaction selection. V1 miners must use an SRI Translation Proxy to connect. Joined Stratum V2 Working Group May 7, 2026. NOTICE: Official domain as of June 2026 is unverified by D-Central (attempted domain redirect detected) — confirm current URL at official DMND announcements before use. Source: Bitcoin Magazine, November 2025."
        },
        {
            "id": "foundry-usa",
            "name": "Foundry USA Pool",
            "entity_type": "pool",
            "v1_support": "yes",
            "v2_support": "testing",
            "template_negotiation": "no",
            "version_rolling_bip310": "yes",
            "dev_fee_pct": "n_a",
            "production_status": "production",
            "source_url": "https://news.bitcoin.com/bitcoin-mining-pool-giants-foundry-antpool-and-f2pool-signal-stratum-v2-shift/",
            "as_of_date": "2026-06",
            "notes": "Frequently among the largest pools by hashrate (~20-25% of global hashrate per public estimates). Joined Stratum V2 Working Group May 7, 2026. V2 infrastructure prepared; production V2 endpoint not confirmed as of June 2026. V1 connections available. Source: Bitcoin.com News and Bitcoin Foundation, May 2026."
        },
        {
            "id": "antpool",
            "name": "AntPool",
            "entity_type": "pool",
            "v1_support": "yes",
            "v2_support": "planned",
            "template_negotiation": "no",
            "version_rolling_bip310": "yes",
            "dev_fee_pct": "n_a",
            "production_status": "production",
            "source_url": "https://news.bitcoin.com/bitcoin-mining-pool-giants-foundry-antpool-and-f2pool-signal-stratum-v2-shift/",
            "as_of_date": "2026-06",
            "notes": "Operated by Bitmain (manufacturer of Antminer S19, S21 series). Joined Stratum V2 Working Group May 7, 2026. No production V2 endpoint announced as of June 2026. V1-only for miners. Source: Bitcoin.com News, May 2026."
        },
        {
            "id": "f2pool",
            "name": "F2Pool",
            "entity_type": "pool",
            "v1_support": "yes",
            "v2_support": "planned",
            "template_negotiation": "no",
            "version_rolling_bip310": "yes",
            "dev_fee_pct": "n_a",
            "production_status": "production",
            "source_url": "https://news.bitcoin.com/bitcoin-mining-pool-giants-foundry-antpool-and-f2pool-signal-stratum-v2-shift/",
            "as_of_date": "2026-06",
            "notes": "One of the longest-running major pools. Joined Stratum V2 Working Group May 7, 2026. No production V2 endpoint announced as of June 2026. Source: Bitcoin.com News, May 2026."
        },
        {
            "id": "luxor-pool",
            "name": "Luxor Pool",
            "entity_type": "pool",
            "v1_support": "yes",
            "v2_support": "infrastructure_ready",
            "template_negotiation": "no",
            "version_rolling_bip310": "yes",
            "dev_fee_pct": "n_a",
            "production_status": "production",
            "source_url": "https://docs.luxor.tech/mining/getting-started",
            "as_of_date": "2026-06",
            "notes": "V1 BTC endpoint confirmed from official docs: stratum+tcp://btc.global.luxor.tech:700. Multiple industry sources describe Luxor as \"V2-ready\"; official docs as of June 2026 show V1 only — LOW CONFIDENCE on v2_support value; verify current status at docs.luxor.tech before deployment. Luxor also develops LuxOS firmware (V1-only client). Source: docs.luxor.tech/mining/getting-started; industry sources."
        },
        {
            "id": "viabtc",
            "name": "ViaBTC",
            "entity_type": "pool",
            "v1_support": "yes",
            "v2_support": "no",
            "template_negotiation": "no",
            "version_rolling_bip310": "yes",
            "dev_fee_pct": "n_a",
            "production_status": "production",
            "source_url": "https://viabtc.com",
            "as_of_date": "2026-06",
            "notes": "Major pool; V1-only as of June 2026. No V2 plans announced and not a member of the Stratum V2 Working Group as of June 2026. MODERATE CONFIDENCE based on absence of public announcements — verify at viabtc.com. Source: public pool documentation, June 2026."
        },
        {
            "id": "mara-pool",
            "name": "MARA Pool",
            "entity_type": "pool",
            "v1_support": "yes",
            "v2_support": "planned",
            "template_negotiation": "no",
            "version_rolling_bip310": "yes",
            "dev_fee_pct": "n_a",
            "production_status": "production",
            "source_url": "https://news.bitcoin.com/bitcoin-mining-pool-giants-foundry-antpool-and-f2pool-signal-stratum-v2-shift/",
            "as_of_date": "2026-06",
            "notes": "Operated by Marathon Digital Holdings. MARA Foundation joined Stratum V2 Working Group May 7, 2026. No production V2 endpoint announced as of June 2026. Source: Bitcoin.com News, May 2026."
        },
        {
            "id": "solo-ck-pool",
            "name": "Solo CK (ckpool)",
            "entity_type": "pool",
            "v1_support": "yes",
            "v2_support": "no",
            "template_negotiation": "no",
            "version_rolling_bip310": "yes",
            "dev_fee_pct": "n_a",
            "production_status": "production",
            "source_url": "https://ckpool.org",
            "as_of_date": "2026-06",
            "notes": "Open-source solo mining pool by Con Kolivas. V1-only; no V2 plans announced as of June 2026. Popular with Bitaxe home miners for lottery solo mining. Pool assigns block template; miners have no transaction selection. Source: ckpool.org."
        },
        {
            "id": "stock-antminer",
            "name": "Stock Antminer Firmware (Bitmain)",
            "entity_type": "firmware",
            "v1_support": "yes",
            "v2_support": "no",
            "template_negotiation": "no",
            "version_rolling_bip310": "yes",
            "dev_fee_pct": "0",
            "production_status": "production",
            "source_url": "https://www.bitmain.com",
            "as_of_date": "2026-06",
            "notes": "Pre-installed on Antminer S9, S19, S21 and other SHA-256 series. V1 client only. Overt ASICBoost (version rolling, BIP 310) enabled by default. No V2 client as of June 2026. Source: Bitmain product documentation."
        },
        {
            "id": "stock-whatsminer",
            "name": "Stock WhatsMiner Firmware (MicroBT)",
            "entity_type": "firmware",
            "v1_support": "yes",
            "v2_support": "no",
            "template_negotiation": "no",
            "version_rolling_bip310": "yes",
            "dev_fee_pct": "0",
            "production_status": "production",
            "source_url": "https://www.microbt.com",
            "as_of_date": "2026-06",
            "notes": "Pre-installed on WhatsMiner M30S, M50, M53, M56 SHA-256 series. V1 client only. Version rolling (BIP 310) supported. No V2 client as of June 2026. Source: MicroBT product documentation."
        },
        {
            "id": "braiinos-plus",
            "name": "BraiinsOS+ (Braiins)",
            "entity_type": "firmware",
            "v1_support": "yes",
            "v2_support": "yes",
            "template_negotiation": "yes",
            "version_rolling_bip310": "yes",
            "dev_fee_pct": "2-2.5",
            "production_status": "production",
            "source_url": "https://braiins.com/os/plus",
            "as_of_date": "2026-06",
            "notes": "The only commercially available firmware with a native Stratum V2 client as of June 2026 (Bible-confirmed; cross-checked June 2026). Built by Braiins, the team that developed and open-sourced the Stratum V2 specification. When connected to a V2 + Job Declaration pool, miners select their own transactions. Supports Antminer S9, S19 series, S21, S21 XP. Dev fee 2-2.5% range, not flat — verify current rate at braiins.com. Credit: Braiins pioneered V2 and contributes to the open-source SRI. Source: Braiins official docs; Bible FEATURE_COMPARISON_MATRIX.md."
        },
        {
            "id": "vnish",
            "name": "VNish",
            "entity_type": "firmware",
            "v1_support": "yes",
            "v2_support": "no",
            "template_negotiation": "no",
            "version_rolling_bip310": "yes",
            "dev_fee_pct": "2-2.8",
            "production_status": "production",
            "source_url": "https://vnish.pro",
            "as_of_date": "2026-06",
            "notes": "Popular third-party firmware for Antminer S19 and related models. V1 client only; no V2 client as of June 2026. Version rolling (BIP 310) supported. Dev fee 2-2.8% range — verify current rate at vnish.pro. Source: vnish.pro documentation; Bible FEATURE_COMPARISON_MATRIX.md."
        },
        {
            "id": "luxos",
            "name": "LuxOS (Luxor Technologies)",
            "entity_type": "firmware",
            "v1_support": "yes",
            "v2_support": "no",
            "template_negotiation": "no",
            "version_rolling_bip310": "yes",
            "dev_fee_pct": "2.8",
            "production_status": "production",
            "source_url": "https://docs.luxor.tech/firmware",
            "as_of_date": "2026-06",
            "notes": "Firmware by Luxor Technologies for Antminer S19 / S21 series. V1 client only; no V2 client as of June 2026. Version rolling supported. Notable: 110V/120V support; sub-5-second curtailment speed. Dev fee 2.8% — verify at docs.luxor.tech. Source: Luxor official docs; Bible FEATURE_COMPARISON_MATRIX.md."
        },
        {
            "id": "esp-miner",
            "name": "ESP-Miner (Bitaxe, open-source)",
            "entity_type": "firmware",
            "v1_support": "yes",
            "v2_support": "no",
            "template_negotiation": "no",
            "version_rolling_bip310": "yes",
            "dev_fee_pct": "0",
            "production_status": "production",
            "source_url": "https://github.com/skot/ESP-Miner",
            "as_of_date": "2026-06",
            "notes": "Open-source firmware for ESP32-S3-based Bitaxe single-board miners (BM1366, BM1368, BM1370, BM1397 chip variants). V1 client with full BIP 310 version rolling negotiation (mining.configure). No native V2 client; V2 pools are reachable via an SRI Translation Proxy run locally. Zero dev fee; open-source. Source: github.com/skot/ESP-Miner (referenced in the Bitcoin Mining Hack Bible)."
        },
        {
            "id": "dcent-os",
            "name": "DCENT_OS (D-Central, closed beta)",
            "entity_type": "firmware",
            "v1_support": "yes",
            "v2_support": "closed_beta",
            "template_negotiation": "planned",
            "version_rolling_bip310": "yes",
            "dev_fee_pct": "0",
            "production_status": "closed_beta",
            "source_url": "https://d-central.tech/dcent-os/",
            "as_of_date": "2026-06",
            "notes": "D-Central open-source (GPL-3.0) mining firmware. Closed beta as of June 2026; public beta targeted summer 2026. V2 client is a stated Phase 2 development goal. DATUM protocol support also planned for a future phase. Dev fee defaults to 0% (user-configurable donation field). Buildroot OS; Rust mining engine. Not publicly downloadable. Source: D-Central product documentation."
        },
        {
            "id": "sri-translation-proxy",
            "name": "SRI Translation Proxy (open-source)",
            "entity_type": "proxy_tool",
            "v1_support": "yes",
            "v2_support": "yes",
            "template_negotiation": "yes",
            "version_rolling_bip310": "yes",
            "dev_fee_pct": "0",
            "production_status": "production",
            "source_url": "https://github.com/stratum-mining/stratum",
            "as_of_date": "2026-06",
            "notes": "Open-source Stratum V2 Reference Implementation (SRI), funded by OpenSats. For proxy_tool rows: v1_support=yes means it accepts V1 from miners (upstream); v2_support=yes means it speaks V2 to the pool (downstream). Allows V1-only firmware (stock, VNish, LuxOS, ESP-Miner) to reach V2 pools without firmware changes. The Job Negotiator role enables miner-side transaction selection even with V1 firmware. Self-hosted; zero dev fee. SRI v1.0.0 released March 2024; v1.1.0 October 2024. Credit: open-source contributor community and OpenSats. Source: github.com/stratum-mining/stratum; stratumprotocol.org."
        }
    ]
}