the whole project started, because a lemon tree needed some heating in the winter.

getting started is not hard,

does it pay off? (depends)

currently: not with i5s and Xeons, the user will need a very expensive 32x Core or even better 64x Core x86 CPU

At 1 XMR monero price trading below $250 @ (0.3€ per 1kWh) ratio, all Xeon CPU mining is a loss and thus pure activism

  • what is good:
  • activism: might be somewhat legitimate, but only @ 100% renewables
    • as mankind is in desperate need for more innovative forms of finance based cooperation system that “make sense” in the terms of “create jobs innovation and sustainable products for a sustainable survival of mankind” (cause that should be what it’s all about)
  • so if monero turns out to be a good thing for mankind or not
    • it is recommended to mine with 100% renewabele energy only (only mine when the sun is up and the wind is blowing and the user can not store the energy)

here are the numbers:

monero’s RandomX is optimized (on purpose) for CPU to avoid ASIC mining monopolies taking over/dominating the whole project (foster democracy, more distributed mining as it has happened with other crypto projects).

let’s assume a Intel(R) Xeon(R) CPU E3-1270 V2 @ 3.50GHz is xmrig mining at 1000H/s using 300W.

(here is a list of CPUs and their monero hashrates)

That translates into 0.3kWh * 24h = 7.2kWh @ the user’s power costs of 0.3€ per 1kWh: 7.2 kWh * 0.3€ = 2.16€ per day.

generated/mined 0.000137068369 XMR in 24h which translates into

1 XMR = $219.26
219.26/(1/0.000137068369) = $0.03005 ~ 0.03€

that’s a loss of: 2.16€ – 0.03€ = -2.13€ per daily, -15€ per week.

(this calculator (red numbers = bad) confirm that current calculation)

(another calculator)

in the future: who knows. depends on availability of cheap renewable (!) energy and the monero price or the inflation of $ and € (the last one being pretty certain).

pool mining?


a pool:

another pool:

“pending balance reaches the minimum payment threshold of 0.07 xmr, the pool will automatically send you your mined coins”

that would be ~ 1 year of runtime full cores of that  Xeon CPU E3-1270 V2 @ 3.50GHz @300W, no thanks, man.

“The payment occurs once every day between 12:00 midnight – 01:00 am CET.”

“Kindly specify if you want a manual payout, without reaching the threshold. Note, you will be charged about 0.00003 XMR for transaction fees.”

what is being calculated?

“Bitcoin production is estimated to generate between 22 and 22.9 million metric tons of carbon dioxide emissions a year” (reuters in 2021)

(comparison: netherlands in 2020 138t CO2, so bitcoin alone produces as much CO2 as 6% of the netherlands)

massive calulation powers are thrown at crypto and AI deep learning.

unfortunately most countries are not on 100% renewables, so a lot of CO2 is generated in that process (please check the energy mix of your country)

Why can all this block mining/generating not do something usefull… like train AI how to cure cancer… or calculate possible solutions for complicated problems… or try to predict the shape of an asteroid according to very low quality images every asteroid = one token? #AsteroidCoin?

unfortunately the only “free energy” is in other user’s devices, which is frankly bad bad bad because it is producing CO2:

alternatives to heat up cpus: boinc @ milkyway@home

GNU Linux How to setup – boinc – (decentralized computing for science) grid for example project Proteins (Health), Asteroids, Milkyway (Astronomy)


Why Monero?

Active attack vector

The attack is pretty straightforward: when the wallet requests data from the remote node to create a transaction, the remote node sends bogus data in response. This results in an error message displayed to the user. If the user clicks through the error and retries the transaction a second time, this immediately reveals the real input to the remote node. Mitigations: If you see *ANY** error message after attempting a transaction, DISCONNECT from that remote node and DO NOT try your transaction again right away.*

Please run your own node

Public nodes should be considered a last resort if you can’t get your own node working. The entire value of a decentralized cryptocurrency is its decentralized nature. If you are a mobile user, you can even setup your mobile wallet to connect to your home node. Please, take the time to try running your own node, or perhaps just use a remote node until your daemon is synchronized.


mining pools:

so heise: “when it pays to mine monero” currently it does not and produce too much CO2:

“Namely, on Tuesday, Federal Reserve Chairman Jerome Powell told a U.S. Senate committee that a report on central bank digital currencies (CBDCs) would be ready “within weeks.” This announcement stoked fears that top cryptocurrencies may see competition from a government-backed cryptocurrency. However, Monero’s focus on privacy and untraceable transactions has provided investors with a key reason to own this token this week.



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