Cloud Bitcoin mining: what you can check, and what you cannot yet

Cloud mining should be simple: an operator runs machines, rents out a share of their hashrate, and passes the mined coins to the renter. In practice, the category has been overrun by fraud, and the fraud follows a recognisable pattern.

• ·Simulated balances that climb on a fixed timer, imitating “earnings” that no real mining produces.
• ·Guaranteed daily returns — a percentage that mining, which depends on price and difficulty, can never promise.
• ·Withdrawals gated behind new deposits, the defining move of advance-fee fraud.
• ·Referral rewards paid on deposits, funding early payouts from later victims — the mechanics of a pyramid.
• ·Impossible coin lists, including “Ethereum mining” years after Ethereum stopped being mineable.

The damage is not limited to the scams themselves. Every honest operator inherits the distrust they create. Minevana’s response is not to argue that we are different — it is to say plainly which claims a sceptical customer can check on sources we do not control, and which they cannot check yet. The rest of this paper is that account.

Four principles govern every decision on the platform. Where a growth tactic conflicts with one of them, the tactic loses.

This is how the service runs today, step by step. Where a step depends on trusting the operator, it says so.

“AI mining” is often marketing noise. Underneath it, machine learning does real, measurable work in exactly four places — all of them about cost and reliability, never about conjuring yield.

• ·Dynamic tuning. Per-chip voltage and frequency curves that minimise joules per terahash for each machine and its ambient temperature.
• ·Predictive maintenance. Telemetry models flag failing fans, hashboards, and power supplies before they cause downtime.
• ·Energy optimisation. Shifting flexible load to cheaper power windows and participating in demand-response where available.
• ·Profit routing. For multi-algorithm hardware, directing hashpower to the most profitable coin or pool, net of fees.

The efficiency metric is joules per terahash (J/TH) — lower is better — and small, persistent gains compound into a materially lower cost base over months. The critical trust point: the model optimises a physical, measurable outcome (energy per unit of work, error rate, uptime), not a number on a customer’s screen. What AI cannot do is equally important — it cannot exceed the hardware’s physical hash rate, and it cannot control Bitcoin’s price or network difficulty. It lowers cost; it does not remove market risk.

This section describes what machine learning does in mining in general. Minevana has not published efficiency or uptime figures, and nothing here has been independently checked for Minevana’s own machines.

This is the core of the paper, and it is unfinished. The table shows, for each claim, how a customer could confirm it on a source outside our control — and whether that is possible today.

The figure on your dashboard is only ever the sum of recorded payouts, so there is no “earned” balance that exists only inside the app. That does not remove operator risk. Payouts are sent on request, so between requests your share of the mined Bitcoin stays with the operator, and how that share is calculated has not been published. Activation and payouts are done by hand, and until proof of the machines is published you are trusting the operator that the hashrate exists. Start small.

A Minevana plan is a purchase of a fixed amount of hashrate — a computing service, not a deposit, a savings account, or an investment contract. What you buy is stated in TH/s, the same unit professional miners use. A plan runs for 24 months from the day it is activated.

Plan prices are shown in the plans section and again at checkout, before any purchase.

Term, refunds and fees

The plan price is shown at checkout before you pay, and the plan runs for 24 months from activation. Before activation a customer who has paid can ask through the support page for a full refund, sent back to the address the payment came from minus the network fee; after activation there is no refund (see the refund policy). How your share of the mined Bitcoin is calculated and whether any fee is deducted are not yet published. Until they are, you cannot fully model what a plan will pay — one more reason to start with the smallest plan. Minevana will never require a payment to release a payout.

Payout mechanics

Payouts are sent on request. You ask through the support page, and the operator sends your share of the mined Bitcoin to the payout wallet saved on your account and records it with its on-chain transaction hash. There is no fixed payout schedule. The figure shown as “earned” on your dashboard is the sum of recorded payouts — it never accrues on a schedule and never moves without a matching transaction. Plans can be bought with BTC, ETH, BNB, SOL, and USDT/USDC across several networks; the receiving address is shown per coin and network at checkout. There is no automatic payment detection: the operator checks your payment on-chain and activates the plan by hand.

Income is variable

What a plan mines over its term depends on Bitcoin’s price and on network difficulty, and neither is fixed. A customer can get back less than they paid. The plan calculator lets you set both assumptions and compare the estimate with the plan price.

Minevana runs a two-tier affiliate programme: 5% on tier 1 (people you refer directly) and 3% on tier 2 (their referrals). The rules:

• ·Commissions are a percentage of the plan price, earned when a referred customer’s plan is activated — never on deposits and never on anyone’s mining income.
• ·A commission clears after 14 days. You then request a withdrawal of cleared commissions, and the operator pays it by hand.
• ·There are exactly two tiers.

An affiliate program pays a commission on a product sale. A pyramid pays earlier participants out of later participants’ deposits. The distinction is not cosmetic, and Minevana is built on the first side of it.

The platform’s account security rests on standard cryptographic practice. What the site stores about you is listed on the privacy page.

• ·Password storage. Account passwords are hashed with PBKDF2-SHA256 (100,000 iterations) using a unique per-user salt.
• ·Sessions. Session tokens are HMAC-SHA256 signed and carried in HttpOnly, SameSite=Lax, Secure cookies. The signing secret is fail-closed: if it is absent, no session can be issued or validated, so a misconfiguration becomes a safe outage rather than a forgeable-session compromise.
• ·Rate limiting. A sliding-window limiter throttles sign-in, sign-up, support requests and withdrawal requests. Failed sign-ins are counted both per connection and per account.
• ·Transport and headers. HSTS, a Content-Security-Policy, X-Frame-Options: DENY, X-Content-Type-Options: nosniff, a locked-down Permissions-Policy, and a Referrer-Policy are set site-wide.
• ·No displayed mining balance. The dashboard’s earnings figure is the sum of recorded payouts. The only balance the platform tracks for a customer is referral commission awaiting withdrawal.

Mining carries real financial risk, and we would rather lose a sale than a customer who did not understand it. In summary:

• ·Variable income. Rewards depend on network difficulty, block subsidy, fees, luck, and uptime — none of them fixed.
• ·You can receive less than you paid. If price falls or difficulty rises, mined value can be below the plan price.
• ·Price volatility. Payouts are in cryptocurrency, whose fiat value can drop sharply, including after payout.
• ·Operational and counterparty risk. Hardware fails, power prices move, and any cloud service means trusting an operator. At Minevana that trust is large: activation and payouts are done by hand, there is no refund after activation, and proof of the machines, the payout calculation and who operates Minevana are not published.
• ·Regulatory risk. Rules differ by jurisdiction and change; you are responsible for the tax treatment of mined coins.

Nothing on Minevana is investment, legal, or tax advice; we sell computing services. The full statement is in the risk disclosure. Do not spend money you cannot afford to lose.

The clearest way to describe an honest platform is to name the dishonest practices it rejects. These are commitments, not preferences.

Two lists, as of this revision. Nothing is promised here with a date.

Minevana has not published who operates it: no company name, registration details, country or address appears on this site. No facility footage or third-party attestation is published either. That is a real gap, and this paper does not paper over it: treat Minevana as an unproven operator and only spend what you could afford to lose entirely. The “never do” section above and the terms are what we ask to be held to. The only contact channel is the support page, where questions are answered plainly, including about the risks.

ASIC

Application-Specific Integrated Circuit — a chip built to do one job. Bitcoin mining ASICs compute SHA-256 hashes and nothing else, which is why they are far more efficient than general-purpose hardware.

Hashrate (TH/s)

The rate at which mining hardware performs hashes, measured in terahashes per second. It is the unit you rent: more TH/s means a larger share of block rewards, on average.

J/TH

Joules per terahash — how much electricity a machine burns per unit of work. Lower is better; it is the number AI tuning aims to reduce.

Proof-of-work

The consensus mechanism Bitcoin uses, where machines compete to solve a computational puzzle to add the next block. Mining exists because of proof-of-work.

Block subsidy / halving

The new bitcoin awarded for each block — currently 3.125 BTC after the April 2024 halving, and roughly halving again around 2028. Lower subsidy makes efficiency decisive.

Mining pool

A group of miners that combine hashrate and share rewards proportionally, smoothing out the luck of solo mining. Public pool accounts let claimed hashrate be verified.

Block explorer

A public website that lets anyone view any transaction on a blockchain. It is how you independently confirm that a payout really happened.

• Risk disclosure — The full, plain-language statement of what can go wrong.
• About Minevana — How the service works today and what is not published.
• Terms of service — What a plan is, the 24-month term, payouts on request and the referral rules.
• Refund policy — A full refund on request before activation; none after.
• Cloud mining with AI — How buying a plan works, step by step.
• AI crypto mining, explained — What AI genuinely does in mining — and what it cannot.
• AI Bitcoin mining — SHA-256, the halving, and efficiency in depth.
• Plan calculator — Compare an estimate under your own assumptions with the plan price.