How to mine Beam with BeamHash III? (Privacy)

Understanding BeamHash III Algorithm

1. BeamHash III is a memory-hard proof-of-work algorithm specifically designed for the Beam blockchain to resist ASIC dominance and promote GPU-based decentralization.

2. It evolved from BeamHash I and II to increase memory bandwidth requirements, making it more difficult for specialized hardware to gain disproportionate advantages.

3. The algorithm relies on large hash tables—over 4 GB of VRAM is required for efficient operation, effectively filtering out low-memory consumer GPUs.

4. Each block solution requires repeated random access across dynamically generated datasets, enforcing high latency tolerance and discouraging optimization via caching tricks.

5. Its design incorporates cryptographic primitives derived from SHA-3 and BLAKE2b to ensure collision resistance and preimage security during nonce verification.

Hardware Requirements for Beam Mining

1. NVIDIA GPUs with compute capability 6.0 or higher are strongly recommended, especially models like GTX 1070, RTX 2070, and RTX 3080 due to their memory bandwidth and driver stability.

2. At least 6 GB of dedicated VRAM is mandatory; mining fails silently or stalls on cards with less than 4.5 GB usable memory.

3. AMD GPUs face compatibility issues with official miners due to lack of OpenCL optimization in current Beam client tooling.

4. CPU mining is technically possible but yields negligible hashrate—less than 0.1 MH/s even on high-end Threadripper systems.

5. Stable power delivery and adequate cooling are critical; BeamHash III induces sustained 95% GPU utilization, leading to thermal throttling if airflow is insufficient.

Setting Up the Official Beam Miner

1. Download the latest beam-wallet-cli and beam-miner binaries from the official GitHub repository under the “releases” section.

2. Configure a local node by syncing the full Beam blockchain using beam-node; lightweight mode is not supported for mining validation.

3. Launch beam-miner with parameters specifying the local RPC endpoint, wallet address, and GPU device index: --url=http://127.0.0.1:10000 --wallet=YOUR_BEAM_ADDRESS --device=0.

4. Monitor logs for “Solution found” messages and verify submissions via the wallet’s getmininginfo command showing non-zero hashespersec and difficulty values.

5. Avoid third-party mining pools unless verified through Beam’s community channels; solo mining remains the only method preserving full privacy guarantees.

Privacy Implications of Beam Mining

1. Beam uses Mimblewimble protocol, meaning mined blocks contain no visible sender, receiver, or amount—only cryptographic commitments and range proofs.

2. Mining itself does not expose identity, but running a public node without Tor or I2P may leak IP metadata tied to your wallet address if misconfigured.

3. Wallet addresses are never reused; each transaction generates a new one-time key, preventing balance tracking across blocks.

4. The miner software does not transmit wallet secrets over the network—private keys remain offline unless explicitly imported into a hot wallet.

5. Kernel-level logging or driver telemetry on Windows systems could capture GPU memory dumps containing temporary nonce buffers; Linux with open-source drivers reduces this risk.

Frequently Asked Questions

Q1. Can I mine BeamHash III on cloud GPU instances?Cloud providers often restrict low-level GPU memory access required by BeamHash III. Instances with pinned memory allocation and bare-metal access—such as AWS EC2 p3 or g4dn types—may work, but most shared GPU environments fail during dataset initialization.

Q2. Does Beam mining require staking or collateral?No staking mechanism exists for Beam mining. Block rewards are distributed solely based on computational contribution and adherence to consensus rules—no locked funds or slashing conditions apply.

Q3. Why does my miner report “Invalid solution” repeatedly?This occurs when the local node’s blockchain state lags behind the network tip, causing outdated difficulty targets. Ensure beam-node is fully synced and check getblockcount against explorers like explorer.beam.mw.

Q4. Is there a way to verify that my mined coins retain privacy features?Yes. Use gettransaction in the CLI wallet with the transaction ID—it returns only commitment hashes and kernel signatures, never plaintext amounts or addresses, confirming Mimblewimble integrity.