In this book titled Mastering Bitcoin the author, Ayato Akiko will walk you through a step-by-step process of becoming a master in Bitcoin mining and investment. No investment is a guarantee.What do you know about Bitcoin? Do you know that you can be your Boss by setting up your hardware mining and start making money? Do you know that you can be financially independent with Bitcoin mining and investment? Mastering Bitcoin is your ultimate guide that will change your perception and bring out the investor in you. Remember, investments in cryptocurrencies are like any other investment: Invest only what you can afford to lose. The ones that are still being used are running on a solo pool. Difficulty is going up, and thus profitability going down, around 25 per month. That comes out to 43 cents per day per erupter, not counting the cost of electricity. Today, a share is worth about 1/156 of a penny and 333MH/s will get you a share every 13 seconds. ![]() Because of the inefficiencies of the miners, heat, and my lack of hubs, most are no longer used. A typical USB block erupter will get 333MH/s under realistic conditions. I also have several small USB fans to circulating the air around the miners. Today, most of these miners are functioning, and some are running at about 330MH/s alongside several on a powered external USB hub. I personally have over two dozen of these ASICMiner Sapphire USB Miners. I am not in any way affiliated with ASICMiner, Bitmain, or any other crypto/crypto-related company. They also make a unique little gift for friends and family! The Block Erupter USBs are nice for not taking up much space or power, GPUs will easily get a higher hashrate, though. These are mainly for collectors who want a piece of cryptocurrency history and those who want to learn how mining works. They're honestly more of a novelty item these days, and for anyone who wants to turn any profit in cryptocurrency, this miner is definitely not a choice. Market value for 1.99 BTC was around 200-225 USD at the time. the ASICMiner Block Erupter Sapphire originally retailed for 1.99 BTC a piece at official release date on May 2013. The Sapphire miners have not been produced for about half a decade at this point, but they're still relatively common, being sold online on sites like ebay for anywhere between $50.00 and $80.00 US dollars. Just 4 months later, another company named ASICMiner released the first ever USB powered ASIC Bitcoin miner for the home hobbyist. Hence, for those cryptocurrency enthusiasts who wish to try running one of these devices, remember to purchase some USB fans! However, in my experience, without a fan, these miners get extremely hot, and can break down as a result. They also have a blinky little green light. While these cute little miners are no longer profitable, they run on minimal electricity and make no noise as a result of lacking a fan. Today, even if you don't pay for electricity, a single ASICMiner BlockErupter will make you under 2 cents a year! ![]() For reference, today's modern rigs such as Bitmain's Antminer S17+ can exceed 70TH/s, or 70000000 MH/s, making these little miners utterly obsolete if you're trying to turn a profit. ![]() Power use: 2.55 watts advertised (Personally, I've been getting under 2.5 watts each)ĪSICMiner's Sapphire USB Miner is one of the first ASIC miners, introduced nearly 7 years ago back in 2013! This pioneering device used a 130nm ASICMiner chip, and mined as a rate of just 330MH/s.Algorithm: SHA256 (Coins Mined: Bitcoin, BitcoinCash, Peercoin, etc.).The ASICMiner BlockErupter USB Sapphire Miner
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