The 21 Bitcoin Computer The 21 Bitcoin Computer is the fastest way for developers to learn Bitcoin.It has everything you need to build your first app in a weekend: a micropayments server, a full copy of the Blockchain, and a command line interface for programmatically mining, buying, and selling digital goods for bitcoin.A great way to get started in Bitcoin... worth $400.TechCrunch If you’ve ever wanted to get into the Bitcoin game... this new $400 gadget could be the best way to do so.The Next Web The 21 Bitcoin Computer... is encouraging users to dream up cool and new things.Coindesk With no prior Bitcoin experience... integrate the Bitcoin protocol... with as little as two lines of code.Bitcoin Magazine The bitcoin protocol is a feature of the operating system... integrates bitcoin so seamlessly into devices.Harvard Business Review A platform for machine-to-machine payments... devices could use to exchange value automatically.

Wall Street Journal The developers have spoken!The 21 Bitcoin Computer makes it easier to build Bitcoin apps than ever before.Setting up a simple bitcoin-payable micropayments server is now just a few lines of code.And that’s earned a lot of praise from the developer community.Build Bitcoin Apps If you can code it, you can sell it.The 21 Bitcoin Computer allows you to monetize the previously unmonetizable.With it you can lease out access to WiFi, sell digital goods to anyone on the internet, or even code a discount-hunting intelligent agent.Learn Bitcoin Go beyond the headlines to actually understand the guts of Bitcoin.The 21 Bitcoin Computer provides a steady stream of bitcoin, a recent copy of the Blockchain, and a series of tutorials that take you from Bitcoin novice to expert.Starting with the basics of cryptographic hashes and digital signatures, these tutorials provide you with hands-on experience using Bitcoin and the Blockchain.Each tutorial contains about one hour of material, to make it easy to learn a little bit every day but still quickly acquire mastery over Bitcoin’s core concepts.

The tutorials are brought to you by 21 in partnership with the same folks who taught Stanford’s CS251P Bitcoin course and wrote the official Bitcoin Developer Documentation.Includes: A mining chip to provide a constant stream of bitcoin for development A powerful command line interface with a full multisig wallet A 128 GB SD card loaded with a full copy of the Blockchain A suite of pre-configured Bitcoin-enabled software The ability to run as a micropayments server and a full node All the items you need to get started - including a WiFi adapter, laptop-to-device cable, RPi 2, and power supplybitcoin core install ubuntuThe following lists of bitcoin mining hardware, litecoin mining hardware, and cloud mining solutions are meticulously collected from numerous vendors around the world.dogecoin mining online

The current specs and prices listed are not guarenteed but are simply displayed as they were found on the vendors website.Mining hardware lists are updated several times each day.Introducing BitNewz.net all of the latest Bitcoin news in one easy to read spot.Check it out... It's awesome... honest.bitcoin price forecast 2018do notstatic conditions SHA-256 ASIC Miners Image Title Price * Price/GH * Watts/GH ROI** Vendor Next Generation Antminer S7 4.73 TH/s 1,293 watts.bitcoin api c#Bundled with 1600 watt 208-240 volt power supply.top 10 litecoin mining poolsShips within 5 days 0.16 ZoomHash SP50 Vendor has not released price.litecoin rig setup

Listed price is speculated based on vendors other products.0.31 Spondoolies Tech ANTMINER S7 BATCH 10 - Shipped out from Feb.16~20 0.18 BitMain ANTMINER S7 BATCH 9 - Shipped out from Jan.20 0.19 BitMain ANTMINER S7 BATCH 8 - Shipped out within 5 days with full payment 0.21 BitMain ANTMINER S7 BATCH 2 0.34 BitMain ANTMINER S7 BATCH 3 0.34 BitMain ANTMINER S7 BATCH 6 - Sold Out 0.33 BitMain ANTMINER S7 BATCH 4 0.36 BitMain ANTMINER S7 BATCH 5 0.37 BitMain ANTMINER S7 BATCH 1 0.38 BitMain 3.5THs Avalon 6.bitcoin end povertyShips within 24 hours.ethereum name service guide5 Day Door to Door from China to You.mining litecoin group

0.23 ZoomHash ANTMINER S7 BATCH 7 - Sold Out 0.42 BitMain Next Generation Antminer S7 4.05 TH/s 1,045 watts.Preorder with delivery expected on or around December 20th 0.42 ZoomHash Next Generation Antminer S7 4.86 TH/s 1,210 watts.Preorder with delivery expected on or around December 10th 0.45 ZoomHash Next Generation Antminer S7 4.86 TH/s 1,210 watts.Preorder with delivery expected on or around December 10th 0.45 ZoomHash 3.65THs Avalon 6.0.40 ZoomHash 3.65THs Avalon 6.0.40 ZoomHash Uranus Miner 0.55 HashCoins Antminer S7 - Batch 20 - 4.73 Th/s 0.08 BitMain Antminer S7-LN Batch 2- 2.7TH/s with PSU 0.09 BitMain ANTMINER S7 BATCH 18 with 2 fans - Shipping out within 5 days after order is full paid 0.09 BitMain ANTMINER S7-LN with power supply - Shipping out from June 2nd 0.11 BitMain ANTMINER S9 First Batch - Shipping starts from 12 June 0.15 BitMain ANTMINER S9-B2 with 12.93T 0.15 BitMain Antminer S9-B3 Limited Edition, 12.93 TH/s.

Ready to ship, order now while stock lasts!0.16 BitMain Used 800 GH/S Bitcoin ASIC Miner Starter Package 0.28 WTCR AntRouter - R1 BATCH 3 7.09 BitMain 1 x 400 GH/s Technobit HEX4M 4 chip BA Minion based bitcoin miner 0.15 TechnoBit 1 x 400 GH/s Technobit HEX4M... 0.15 TechnoBit Used ASICMiner Block Erupter Prisma Revision 2.0 1.35 Th/s 0.19 WTCR Prospero X36 (2.2Thash) 0.20 Black Arrow HOLIDAY SPECIAL: SP20 MINI FARM BATCH 2 Free Shipping 0.22 Spondoolies Tech HOLIDAY SPECIAL: SP20 NANO FARM BATCH 1 Free Shipping 0.23 Spondoolies Tech [15% Discount Off] ANTMINER S3+ LARGE BULK BATCH 1 Second Hand 0.24 BitMain 850 GHs HEX4RBox enclosed miner 0.26 TechnoBit ANTMINER C1 BATCH 3 0.28 BitMain Holiday Special: SP20 Jackson Shipping from Stock 0.28 Spondoolies Tech Spondoolies-Tech SP10 Dawson 1.4TH Bitcoin Miner Shipping included to the lower 48 States Ships to USA only 0.29 ZoomHash [Second Hand] ANTMINER S5 BATCH 7 0.29 BitMain AntMiner S5+ Batch 1 0.30 BitMain 800 GHs 2HEX4M enclosed miner 0.31 TechnoBit [10% Discount] ANTMINER S4 -B4 Second Hand 0.31 BitMain ANTMINER U3 BATCH 3 0.32 BitMain 3.45THs Pack of 3 Used S5.

Good condition shipped in packs of three units.Shipped from Washington state.0.32 ZoomHash ANTMINER S5 BATCH 4 0.32 BitMain ANTMINER S5 BULK BATCH 4 0.32 BitMain ANTMINER C1 Batch 2 PSU & Cooling not included 0.32 BitMain 1 x 380 GH/s Full set Technobit HEX16A4 16 chip Avalon Gen4 based bitcoin miner 0.33 TechnoBit 1 x 380 GH/s Full set... 0.33 TechnoBit ANTMINER S3+ -B11 In Stock PSU not included 0.33 BitMain ANTMINER S5 BATCH 3 0.35 BitMain ANTMINER S5 BATCH 5 0.36 BitMain [Second Hand] ANTMINER S4 -B3 0.38 BitMain ANTMINER S5 Door to Door Shipping on or about March 29th 0.39 ZoomHash ANTMINER S5 Door to Door Shipping on or about March 29th 0.39 ZoomHash SP35 Yukon Power Shipping from Stock 0.41 Spondoolies Tech ANTMINER S4+ 0.41 BitMain SP31 Yukon Shipping From Stock 0.42 Spondoolies Tech 240 GHs HEX8A1 Coincraft A1 miner 0.46 TechnoBit "DICE" 160 GHs... 0.51 TechnoBit PACIFIC V3 (3.2 Th/s) 0.55 XBTec BITCOIN MINER T-720 0.55 BitCrane ASICMiner Tube 800Gh/s 0.56 Bitcoin Minerz PACIFIC V3 (3 Th/s) 0.58 XBTec BitCrane T-110S 1 Th/s Ultra-Silent BitCoin Mining System 0.59 NewEgg ANTMINER S3+ -B8 PSU not included 0.61 BitMain BITCOIN MINER T-720 0.63 BitCrane ANTMINER S3+ 453 GH/s [PRE-ORDER] Batch 10 PSU not included 0.66 Bitcoin Minerz Apollo Miner 0.68 HashCoins PACIFIC V2 (1.6 Th/s) 0.69 XBTec ANTMINER S3 441 GH/s PSU not included 0.73 Bitcoin Minerz BITCOIN MINER T-110 0.73 BitCrane PACIFIC V2 (1.5 Th/s) 0.73 XBTec SF100 0.74 SFARDS PACIFIC 1250 (1.25 Th/s) 0.79 XBTec BITCOIN MINER T-110S 0.80 BitCrane BitMain Antminer S3+ 450gh/s PSU not included 0.81 Bitcoin Mining Solutions YBF 300+ GH/s Miner Set 0.88 Yiazo ANTMINER U3 0.89 BitMain YBF 150+ GH/s Miner Set 0.92 Yiazo Prospero X-1.5 (150Ghash/second) 0.93 Black Arrow YBF 90+ GH/s Miner Set 0.97 Yiazo CoinCraft Desk Generation 2 1.00 BitMine BITCOIN MINER T-110 1.1/THs 1.18 Bitcoin Minerz ANTMINER S3+ -B10 In Stock PSU not included 1.26 BitMain ASICMiner Block Erupter Revision 2 Blade 10 GH/s 1.32 WTCR 2T CoinCraft A1 2000gh/s 1.47 Bitcoin Mining Solutions Dragon Miner 1 TH/s 1.50 Bitcoin Minerz A1T CoinCraft 900-1000GH/s 1.52 Bitcoin Mining Solutions ASICMiner Block Erupter Revision 1 Blade 10 GH/s 1.76 WTCR 1 x 60 GH/s Full set... 2.06 TechnoBit Prospero X-3 (2000Ghash/second) 3.00 Black Arrow Prospero X-1 (100Ghash/second) 3.99 Black Arrow Block Erupter Blade 10 GH/s 5.00 Bitcoin Minerz 10 GH/s Bitcoin Miner 5.00 Butterfly Labs 30% off Black Friday Deals" href="productDetail.htm?pid=00020141129151711180IEnkaYyy0700">[SOLD OUT] ANTMINER S4: >30% off Black Friday Deals 6.54 BitMain ANTMINER S5 BULK BATCH 1 6.75 BitMain AntRouter - R1 BATCH 2 8.91 BitMain [15% Discount Off] ANTMINER S5 BULK BATCH 3 14.50 BitMain ANTMINER S5 BULK BATCH 4 15.80 BitMain Hosted 380 GHs Avalon4 board 65.56 TechnoBit "DICE" 160 GHs standalone / blockchain lottery device 68.98 TechnoBit ANTMINER U3 BATCH 2 145.87 BitMain AntRouter - R1 1784.66 BitMain do notstatic conditions Scrypt ASIC Miners Image Title Price * Price/MH * Watts/MH ROI** Vendor ALCHEMIST 256Mh/s 3.90 Alcheminer Triton Miner 15.14 HashCoins 110,000KHs Scrypt Asic PLUG AND PLAY @ ~1000w A2 A2MEGA Door to Door within 3~5 Business Days 12.27 ZoomHash ALCHEMIST 96Mh/s 12.49 Alcheminer Notus Miner 18.90 HashCoins 80,000KHS - 110,000KHs Scrypt Asic PLUG AND PLAY @ ~1000w A2 A2MEGA Door to Door within 3~5 Business Days 10.00 ZoomHash SF100 23.17 SFARDS Ares Miner 23.04 HashCoins Viper (Scrypt) Miner (250Mh/s) 34.23 Alpha Technology Viper (Scrypt) Miner (50Mh/s) 42.39 Alpha Technology 7 MHs HEX8A2 Scrypt miner 140.18 TechnoBit A4 Dominator 280MH/S Scrypt Miner Ships within 24 Hours.

Free Shipping 7.14 ZoomHash G-Blade 5.2MH/s 76.92 Bitcoin Minerz do notstatic conditions Cloud Miners Image Title Price * Price/Unit * Hosting/Unit/Day ROI** Vendor One Year Hosted Mining Contract 180.30 9.16 HashCoins One Year Hosted Mining Contract 64.19 10.95 HashCoins One Year Hosted Mining Contract 37.18 11.95 HashCoins Zoomhash Ethereum Miner - 1 Mh/s Scrypt Asic Miner - Instant Activation 1 Year Term 26.98 15.99 ZoomHash One Year Hosted Mining Contract 10.19 12.95 HashCoins Scrypt Cloud Mining 18.95 Hashflare Group Bitcoin Cloud Mining 2.22 Group Bitcoin Group Bitcoin Cloud Mining 2.78 Group Bitcoin Group Bitcoin Cloud Mining 3.27 Group Bitcoin CEX.io GHS 0.15 CEX.io SHA256 Contract 0.19 Mintsy SHA256 Contract 0.24 Mintsy Platinum 0.25 Genesis Mining Gold 0.26 Genesis Mining SHA256 Contract 0.28 Mintsy Master 0.29 Genesis Mining Diamond 0.39 Genesis Mining Storm Cloud 0.40 CloudHash SHA256 Contract 0.40 Mintsy Thunder Cloud 0.40 CloudHash 50TH/s Pre-Order Contract 0.41 Mega Mine Platinum 0.42 Genesis Mining Rain Cloud 0.43 CloudHash 10TH/s Pre-Order Contract 0.43 Mega Mine SHA-256 Cloud Mining 0.44 Hashflare Gold 0.45 Genesis Mining 1TH/s Pre-Order Contract 0.45 Mega Mine AMHash1 - Bitcoin cloud mining contract 0.45 AMHash1 100 Th/s Bitcoin Cloud Mining 0.46 XBTec SHA256 Contract 0.48 Mintsy Hosted 100TH/s contract 0.48 Mega Mine Hosted 10TH/s contract 0.49 Mega Mine One Year Hosted Mining Contract 0.50 HashCoins Hosted 1TH/s contract 0.50 Mega Mine 10 Th/s Bitcoin Cloud Mining 0.52 XBTec One Year Hosted Mining Contract 0.53 HashCoins One Year Hosted Mining Contract 0.54 HashCoins One Year Hosted Mining Contract 0.55 HashCoins 1 Th/s Bitcoin Cloud Mining 0.56 XBTec Hash Sale 500 GH/s minimum 0.59 Cloud Hashing 500 Gh/s Bitcoin Cloud Mining 0.62 XBTec Mega Mine fully inclusive 10TH/s contract 0.64 Mega Mine 100 Gh/s Bitcoin Cloud Mining 0.72 XBTec Mega Mine fully inclusive 5TH/s contract 0.73 Mega Mine Gold | $0.80/GH* 0.80 Nimbus Mining Mega Mine fully inclusive 2TH/s contract 0.82 Mega Mine ZeusHash Cloud SHA-256 Miner 0.86 ZeusHash Silver | $0.87/GH* 0.87 Nimbus Mining Maxi Mine fully inclusive 1000GH/s contract 0.90 Mega Mine BRONZE | $0.94/GH* 0.94 Nimbus Mining Maxi Mine fully inclusive 750GH/s contract 0.99 Mega Mine Maxi Mine fully inclusive 500GH/s contract 1.00 Mega Mine 99 Th/s Bitcoin Hosted Mining 1.00 XBTec 32Th/s Bitcoin Hosted Mining 1.06 XBTec 16 Th/s Bitcoin Hosted Mining 1.09 XBTec 8 Th/s Bitcoin Hosted Mining 1.10 XBTec 3.2 Th/s Bitcoin Hosted Mining 1.18 XBTec 1.6 Th/s Bitcoin Hosted Mining 1.19 XBTec 3 Th/s Bitcoin Hosted Mining 1.26 XBTec 1.5 Th/s Bitcoin Hosted Mining 1.27 XBTec Cloud mining hosting plan (Bitcoin) 1.90 BitMine Cloud mining hosting plan (Bitcoin) 2.03 BitMine Gold 1 TH/s 3.00 Cloud Hashing Silver 250 GH/s 4.00 Cloud Hashing Bronze 60 GH/s 4.98 Cloud Hashing Scrypt Contract 5.99 Mintsy Scrypt Contract 6.90 Mintsy Scrypt Contract 9.99 Mintsy Scrypt Contract 10.90 Mintsy ZeusHash Cloud Scrypt Miner 14.99 ZeusHash Small 17.99 Genesis Mining Medium 17.99 Genesis Mining Graviton 19.00 Genesis Mining Ferox 21.00 Genesis Mining Gemini 24.00 Genesis Mining Large 44.00 Genesis Mining Small 44.00 Genesis Mining Medium 44.00 Genesis Mining do notstatic conditions Graphics Cards for Cypto Currnecy Mining Title Algorithm Hashrate Price * Price/MH * Vendor