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1  Economy / Scam Accusations / gramtokens-sale.com, GRAMNETWORK.ORG, TELEGRAMFOUNDATION.ORG scamming on: March 22, 2018, 04:36:29 PM
gramnetwork.org scammers collected only in ETH around 130.000$ till now. Here is scammer ETH address:

https://etherscan.io/address/0x20e4d7693c60429ebacf9f461dc72792d9d88ee9

Can this address be reported to exchanges?
2  Alternate cryptocurrencies / Pools (Altcoins) / Coinspool.cu.cc Pool Stay Away! on: March 31, 2017, 07:26:36 AM
No contact for support on site, very high autopayment threshold, when worker is close to payment pool stops accepting shares for that worker. Stay away.
3  Alternate cryptocurrencies / Mining (Altcoins) / I gave up on ETH-SIA dual-mining on: June 13, 2016, 07:40:59 AM
For some time SIA was very profitable to mine but there was no public pool existing and difficulty became very high. I believe it's because of the FPGA farms that can use Wolf's implementation. Idea was to have in parallel some mining that will cover the electricity costs and check the luck with SIA's high variance. I did mining of SIA before and I know that down clocking the memory doesn't change the hash rate but lowers the power spent, meaning that it is very relaxed on GPU memory and can be mined in parallel with ETH. Last week price peak of SIA and calculation of 3 times more profit than ETH was a signal to start. Three rigs used, first with one 280X and 7870, second with 4 280X and last one with 3 280X and one 290. Win, Claymore dual miner in mode 1, siad 0.6.0 and precompiled sia_gpu_miner. With sia miner intensity up to 27 there were very low sia hash rates (280X in range of 50Mh/s) but almost no change in ETH hash rate. Intensity 28 dropped ETH hash rate at 35% of normal level and gave 510+ Mh/s on 280X and 600+ Mh/s on 290. More than 3 days passed and I didn't solved a SIA block, SIA profitability went down close to ETH, difficulty continue to rise, ambient summer temperatures gone higher,... so I gave up. Undecided  If someone wants to try and/or believe more in SIA than ETH can share dual mining experience. Or maybe Claymore can make ETH-SIA dual miner where SIA intensity could be fine tuned.
Here are some screenshots during and after unsuccessful try...

First one before...



...and afterward, more cool and relaxed.



Second one...





And third...



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