Author Archives: Max Lee

Do Not Use Two Factor Authenticatoin with Bittrex!

My friend recently lost over 2.7 BTC on Bittrex.com due to what we think is a vulnerability of TFA (Two Factor Authentication) system on Bittrex or possibly an insider job.

Here’s the story:

Hacker takes a total of 2.7 BTC, 1999 Supercoins, and 45416 Vootcoins out using TFA near midnight July 2nd.

Now, when you have TFA enabled on Bittrex, it does not send you an e-mail confirmation unlike when you have it disabled.  If someone withdraw money, that’s it, it’s gone!

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Coin of the Week! [Millionairecoin, Pyramidscoin, CryptoWon]

For those of you wondering what coins to mine/invest this week, here’s my picks:

    Millionairecoin – Launching today, this X11 coin might be good since there’s only 1 million coins involved, start mining at Mil.Pool.Mn!  This coin is already on the market at Poloniex. Pyramidscoin – Launching tomorrow, this X11 coin is PoW only, you may be able to profit if you mine during launch or invest when it lists on the market. CryptoWon – Launching Tuesday June 10th, CryptoWon is slightly-funky coin based on Nort

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Most Profitable X11/X13 Coin to Mine Right Now?

For those of you with graphic card rigs, do you know which coin is the most profitable?

I personally no longer use CoinWarz.com because their updates are slow and they don’t have the latest coins.  You can instead use WhatMine.com, which is much better for graphic card rigs.

Currently, X13coin is the most profitable, so I would definitely switch over, check it out on WhatMine.com.

I will try to have better/quicker updates for all of you since things so go quickly in the crytocurrency world, don’t forget to

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Optimized X11 and X13 Ubuntu Image for Darkcoin, X11coin, and Boostcoin!

x11-x13-ubuntu-image-darkcoin-boostcoin-x11coin

For those of you who want to mine X11 or X13-based altcoins like Darkcoin, X11coin, Boostcoin, Digitcoin, Marucoin, etc…etc…, here’s an updated image with the latest modded sgminer (the one with higher hashrates).  This is built on top of my previous Scrypt/Scrypt-N image, so it’s all straight-forward if you have been using it so far.

With this new image, you will be able to do 3Mh/s with X11 and 2.5Mh/s with X13 on R9 280X graphic card.  (And more or less depending on which graphic card you use.  E.g. R9 290X will obviously have higher hashrates.

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Hottest Altcoins! (with Tabasco) – Darkcoin, X11coin, Boostcoin, Cinnicoin, Mastiffcoin, Pinkcoin!

hottest-altcoin

Many of you are probably wondering what’s “hot” right now with altcoins in general.

Well,I am in no way a financial expert but I do have spent the last 8 months mining and trading crypto. Here’s some information may be helpful for those who are just starting or have no idea why altcoins prices go up and down.

In my last video, I did recommend to go ALL-IN with Darkcoins. Well, Darkcoins went all the way down to $6 and came back up (today it’s at $15), if you bought up anytime before today and my last video, you probably made some good mone

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What is a Darkcoin and WHY you need get some TODAY!

darkcoin

Darkcoin is another altcoin that’s a derivative of Bitcoin that’s hitting the moon in the last 30 days or so.

In the last 30 days or so, the value of Darkcoin has gone up 10-fold. That means if you invested $1000 last month, you would have already made $9000!

As of this afternoon “today”, Darkcoin has also eclipsed every other altcoin except Litecoin, bypassing the utmost-popular Dogecoin and even Peercoin which was at #3 at CoinMarketCap.com. Darkccoin is at $58.7 million market cap

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Optimized Scrypt and Scrypt-N Ubuntu Image for Litecoin, Dogecoin, and Vertcoin!

optimized-scryptn-ubuntu-flash-image-1

I know many of you have asked me for Vertcoin and since you do need some knowledge of Linux and compiling, I thought it would be easier if you can just download my optimized USB Ubuntu image that contains a compiled Vertcoin with optimized settings for R9 280X, doing 700Kh/s for Scrypt and 327Kh/s for Scrypt-N. (Scrypt-N gets around 40-45% of hashrate compared to Scrypt)

I’ve also included my original Litecoin cgminer, so you can easily switch between the two.

If you are not familiar with Ubuntu, I highly recommend watching the video tutorial above along with the

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Latest Optimized CGMiner Configuration for Gridseed Blades!

optimized-cgminer-gridseed-blade Well, just wanted to do a short update on optimizing the Gridseed Blades a bit more.

I found that you can actually run these Gridseed Blades at 850Mhz just fine, there’s some more hardware errors but hashing is a bit faster and getting around 2.879Mh/s per blade.

Here’s my cgminer.conf file:

{ "pools": [ { "url": "stratum+tcp://us.clevermining.com:3333", "user": "1NqW6oZ5bvLPjWfr6DrzUhLF8X9iLA7TVW", "pass": "123123" }, { "url": "stratum+tcp://192.168.2.254:22550", "user": "DFMVvKYruZKkuAapuHx1wHvZPxPYFayAZa", "pass": "123123" }, { "url": "stratum+tcp://mini

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How to Make Gridseed Blade Mining Rig! [Pre-Built CGMiner]

howto-make-gridseed-blade-mining-rig-1 For this month’s Rig of the Month, check out the latest ASIC Scrypt miner, Gridseed Blade Mining Rig!

Based on 80 Gridseed chips, Gridseed Blades are ASIC Scrypt miners capable of 5.6Mh/s at only 100 watts of power.  These currently (as of April 30th 2014) cost around $1500-1600 with ROI of around 6 months at $15/day. (You can use CoinWarz.com to see profit at the moment.)

In other words, these are the best rigs to use to mine Scrypt coins such as Litecoins and Dogecoins “right now”.  My graphic card rigs a

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How to Make Stackable Tower Gridseed Rig with Raspberry Pi! [Pre-built CGminer]

howto-make-stackable-tower-gridseed-rig-1

For those of you who are thinking about making your own Gridseed rig for Scrypt mining (for Litecoin, Dogecoin, etc…etc…), you may want to make them into stackable “towers”.

Initially, I’ve built my Gridseed rig using a standard motherboard and Ubuntu linux with a custom frame but I realize this is very time-consuming and tedious.  Besides that, when you have multiple Gridseeds running at the same time, the fans on them get pretty loud.  It was loud enough where the bass

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