Creator of ePIC BlockMiner™. ePIC UMC OS now compatible with Antminer stock control boards. Flexible payment structure incl. dev fee and licensing model.
RigRunner just got a new look!
• Install UMC OS from RigRunner
• Remote install support on the latest stock firmware
• Supports most air-cooled Antminer models, including S21 Pro
• 1.5% dev fee
Get the latest release: github.com/epicblockchain/ri…
🚨ePIC now supports UMC-OS firmware on all AMLOGIC control boards, including the latest antminers with disabled micro-USB port!
⚡ One-click remote install
💸 Ultra-low 1.5% dev fee
🎛️ Advanced tuning
🖥️ Web dashboard GUI
🔬 Chip diagnostics
🌡️ Thermal protection
🎯 Hashrate targeting
🚀 Fleet management
More BTC in your pocket with @ePICBlockchain.
Runs perfectly on S19 & S21 seies
Download now →altairtech.io/firmware/
UMC OS is a firmware-only solution designed for stock control boards for Antminer S19x and S21x series.
No hardware swap required.
One-click remote install.
No SD card reflash.
Works on 2025 and 2026 stock firmware.
Download UMC OS today via RigRunner:
github.com/epicblockchain/ri…
🚨UMC OS FIRMWARE UPDATE v1.16.4
New Features:
✅ Web interface: adds password caching to reduce repeated prompts
✅ API/Web interface: adds IPv6 DNS visibility in network information
✅ API: adds miner serial number in capabilities for better device identification
Bug Fixes :
🐞 API: improves system update upload handling and POST endpoint consistency
🐞Perpetual Tune: improves max-voltage target application behavior
Get the latest firmware (v1.16.4) here -> github.com/epicblockchain/um…
Get the latest installer here -> github.com/epicblockchain/ri…
Why settle for factory settings when you can make your ePIC UMC OS sweat? Running PicoClaw because if my miner isn't optimized to within an inch of its life, are we even mining?
#BitcoinMining#PicoClaw#OpenClaw
ALT A technical screenshot showing the successful startup of a PicoClaw Gateway on an Antminer using UMC OS and a hardware diagnostic report from the UMC OS Telegram bot listing active I2C buses and chip addresses.
🔥 BIG: Nvidia-backed Starcloud CEO says Starcloud-2 will be the first to mine Bitcoin in space, arguing it's the future as Earth-based mining already consumes 20GW of power.
Did you know?
UMC OS is a firmware-only solution designed for stock control boards.
It runs on the same core technology as our UMC Control Board.
Same performance.
Same features.
No hardware swap required.
Download UMC OS today: github.com/epicblockchain/ri…
Ready to unlock UMC OS?
To get started, you’ll need RigRunner—the essential installer designed to get your miner up and running smoothly.
Check out this quick step-by-step guide to download and install RigRunner in minutes. 👇
Link to download: github.com/epicblockchain/ri…
Great insights - difficulty drawdowns extend favorable mining windows
To add: firmware determines how much of that window you actually keep
With a 1.5% dev fee, UMC OS is designed to help miners retain more of their rewards when margins matter most.
To install: github.com/epicblockchain/ri…
Will Bitcoin miners enter one of the most favourable phases since the China ban?
Since October, network hashrate has been pulling back and difficulty has followed.
The final weeks of 2025 closed with three consecutive downward adjustments, interrupted only by a marginal 0.04% uptick on December 25.
That trend has continued into 2026. The network has already seen two more difficulty reductions, at –1.2% and –3.28%, reflecting the ongoing hashrate pullback.
Difficulty has fallen from 155.97T to 141.67T, 9.2% below its all-time high.
Extreme winter conditions in the US are driving one of the largest hashrate drawdowns in history. And currently block times are running slower than the 10-minute target.
The next adjustment on February 8 is projected at –16.8%, which would be the largest downward move since the China mining ban.
Will it really be that big? Probably not.
Hashrate is starting to come back online, but even a more moderate adjustment would still extend the favourable mining windows we’ve experienced at the start of 2026.
We have reduced the UMC OS dev fee to 1.5%, extending institutional-grade optimization to all miners.
UMC OS supports most air-cooled Antminer S19X and Antminer S21 variants.
Try out the newly adjusted dev fee today👇
github.com/epicblockchain/ri…
🚀 Remote firmware deployment just got easier.
Install UMC OS on Antminer S19J and S21 series via RigRunner — no SD cards, no site visits, just one installation tool
⚙️ Scale, optimize, and control your fleet from anywhere.
👉 github.com/epicblockchain/ri…
🚨UMC FIRMWARE UPDATE v1.8.1🚨
What's New
✅System start time speedup
✅Add EEPROM decryption for S21 Pro, S21 and S21 XP
✅Add support for more S21 Pro variants (A3HB70602)
✅Add support for more S21XP variants (A3HB70502, A3HB70503)
✅Add support for more S21 variants (A3HB70702, A3HB70703)
Bug Fixes
✅Stability improvements
✅Perpetual Tune (Board Tune): improve efficiency on S21 Pro, S21 , S21 XP
🔗github.com/epicblockchain/po…
🚨 TSMC’s 3nm & 5nm capacity is fully booked through 2026 — locked up by Apple, NVIDIA, and other AI/HPC giants.
As demand skyrockets, wafer access is tightening.
It’ll be interesting to see how miner manufacturers secure capacity for next-gen ASICs.
tinyurl.com/2mweh82e
🛠️🚀 Control. Efficiency. Power.
The ePIC UMC Control Board by @ePICBlockchain is designed for miners who demand more from their hardware with out paying a DEV FEE!
Thats right 0% Dev Fee
Delivering rock-solid performance and smarter rig management for maximum uptime, the ePIC UMC control board works with s19 & s21 series miners!
Make sure you select the correct one for your specific Antminer!
🛒🛍️⬇️⬇️⬇️
altairtech.io/product/epic-u…
New feature drop: 🎉
RigRunner (the UMC OS installer) now includes an interactive tutorial to walk you through setup. No more guesswork.
⚡ Get started with RigRunner UMC OS: epicblockchain.io