Bitcoin Mining Hardware - Go Gadget!

can these be sued for doge coin?

http://www.ebay.com/itm/ASICMINER-USB-Block-Erupters-ASIC-Bitcoin-Miner-336-Mh-s-11-IN-STOCK-/221354561405?pt=LH_DefaultDomain_0&hash=item3389c28f7d
anything like them that can be used for doge coin? are they better than cpu mining for doge OR bitcoin?
submitted by cdoublejj to dogemining [link] [comments]

Bundle of 6 ASIC Miner USB Block Eruptors – 336 Mh/s is for sale on cryptothrift.com for Bitcoin and Litecoin https://cryptothrift.com/auctions/crypto-mining-asic/bundle-of-6-asic-miner-usb-block-eruptors-336-mhs/

Bundle of 6 ASIC Miner USB Block Eruptors – 336 Mh/s is for sale on cryptothrift.com for Bitcoin and Litecoin https://cryptothrift.com/auctions/crypto-mining-asic/bundle-of-6-asic-miner-usb-block-eruptors-336-mhs/ submitted by duetschpire to cryptothrift [link] [comments]

ASIC Miner USB Block Eruptor - 336 Mh/s is for sale on cryptothrift.com for Bitcoin and Litecoin https://cryptothrift.com/auctions/crypto-mining-asic/asic-miner-usb-block-eruptor-336-mhs-16/

ASIC Miner USB Block Eruptor - 336 Mh/s is for sale on cryptothrift.com for Bitcoin and Litecoin https://cryptothrift.com/auctions/crypto-mining-asic/asic-miner-usb-block-eruptor-336-mhs-16/ submitted by duetschpire to cryptothrift [link] [comments]

ASIC Miner USB Block Eruptor - 336 Mh/s is for sale on cryptothrift.com for Bitcoin and Litecoin https://cryptothrift.com/auctions/crypto-mining-asic/asic-miner-usb-block-eruptor-336-mhs-12/

ASIC Miner USB Block Eruptor - 336 Mh/s is for sale on cryptothrift.com for Bitcoin and Litecoin https://cryptothrift.com/auctions/crypto-mining-asic/asic-miner-usb-block-eruptor-336-mhs-12/ submitted by duetschpire to cryptothrift [link] [comments]

ASIC Miner USB Block Eruptor - 336 Mh/s is for sale on cryptothrift.com for Bitcoin and Litecoin https://cryptothrift.com/auctions/crypto-mining-asic/asic-miner-usb-block-eruptor-336-mhs-13/

ASIC Miner USB Block Eruptor - 336 Mh/s is for sale on cryptothrift.com for Bitcoin and Litecoin https://cryptothrift.com/auctions/crypto-mining-asic/asic-miner-usb-block-eruptor-336-mhs-13/ submitted by duetschpire to cryptothrift [link] [comments]

ASIC Miner USB Block Eruptor - 336 Mh/s is for sale on cryptothrift.com for Bitcoin and Litecoin https://cryptothrift.com/auctions/crypto-mining-asic/asic-miner-usb-block-eruptor-336-mhs-10/

ASIC Miner USB Block Eruptor - 336 Mh/s is for sale on cryptothrift.com for Bitcoin and Litecoin https://cryptothrift.com/auctions/crypto-mining-asic/asic-miner-usb-block-eruptor-336-mhs-10/ submitted by duetschpire to cryptothrift [link] [comments]

ASIC Miner USB Block Eruptor – 336 Mh/s is for sale on cryptothrift.com for Bitcoin and Litecoin https://cryptothrift.com/auctions/crypto-mining-asic/asic-miner-usb-block-eruptor-336-mhs-17/

ASIC Miner USB Block Eruptor – 336 Mh/s is for sale on cryptothrift.com for Bitcoin and Litecoin https://cryptothrift.com/auctions/crypto-mining-asic/asic-miner-usb-block-eruptor-336-mhs-17/ submitted by duetschpire to cryptothrift [link] [comments]

ASIC Miner USB Block Eruptor – 336 Mh/s is for sale on cryptothrift.com for Bitcoin and Litecoin https://cryptothrift.com/auctions/crypto-mining-asic/asic-miner-usb-block-eruptor-336-mhs-15/

ASIC Miner USB Block Eruptor – 336 Mh/s is for sale on cryptothrift.com for Bitcoin and Litecoin https://cryptothrift.com/auctions/crypto-mining-asic/asic-miner-usb-block-eruptor-336-mhs-15/ submitted by duetschpire to cryptothrift [link] [comments]

ASIC Miner USB Block Eruptor - 336 Mh/s is for sale on cryptothrift.com for Bitcoin and Litecoin https://cryptothrift.com/auctions/crypto-mining-asic/asic-miner-usb-block-eruptor-336-mhs-14/

ASIC Miner USB Block Eruptor - 336 Mh/s is for sale on cryptothrift.com for Bitcoin and Litecoin https://cryptothrift.com/auctions/crypto-mining-asic/asic-miner-usb-block-eruptor-336-mhs-14/ submitted by duetschpire to cryptothrift [link] [comments]

ASIC Miner USB Block Eruptor - 336 Mh/s is for sale on cryptothrift.com for Bitcoin and Litecoin https://cryptothrift.com/auctions/crypto-mining-asic/asic-miner-usb-block-eruptor-336-mhs-9/

submitted by duetschpire to cryptothrift [link] [comments]

ASIC Miner USB Block Eruptor - 336 Mh/s is for sale on cryptothrift.com for Bitcoin and Litecoin https://cryptothrift.com/auctions/crypto-mining-asic/asic-miner-usb-block-eruptor-336-mhs-8/

submitted by duetschpire to cryptothrift [link] [comments]

ASIC Miner USB Block Eruptor - 336 Mh/s is for sale on cryptothrift.com for Bitcoin and Litecoin https://cryptothrift.com/auctions/crypto-mining-asic/asic-miner-usb-block-eruptor-336-mhs-7/

ASIC Miner USB Block Eruptor - 336 Mh/s is for sale on cryptothrift.com for Bitcoin and Litecoin https://cryptothrift.com/auctions/crypto-mining-asic/asic-miner-usb-block-eruptor-336-mhs-7/ submitted by duetschpire to cryptothrift [link] [comments]

1 - ASIC Miner USB Block Eruptor - 336 Mh/s is for sale on cryptothrift.com for Bitcoin and Litecoin https://cryptothrift.com/auctions/crypto-mining-asic/1-asic-miner-usb-block-eruptor-336-mhs/

1 - ASIC Miner USB Block Eruptor - 336 Mh/s is for sale on cryptothrift.com for Bitcoin and Litecoin https://cryptothrift.com/auctions/crypto-mining-asic/1-asic-miner-usb-block-eruptor-336-mhs/ submitted by duetschpire to cryptothrift [link] [comments]

ASIC Miner USB Block Eruptor - 336 Mh/s is for sale on cryptothrift.com for Bitcoin and Litecoin https://cryptothrift.com/auctions/crypto-mining-asic/asic-miner-usb-block-eruptor-336-mhs-11/

ASIC Miner USB Block Eruptor - 336 Mh/s is for sale on cryptothrift.com for Bitcoin and Litecoin https://cryptothrift.com/auctions/crypto-mining-asic/asic-miner-usb-block-eruptor-336-mhs-11/ submitted by duetschpire to cryptothrift [link] [comments]

BNIB: ASICMiner Bitcoin USB ASIC Block Erupter Miner – 336 MH/s

This high Quality USB miner is ready to ship!
You are buyinga ASICminer USB Block Erupter ASIC hashing device. It runs at 336 MH/s.
Product is brand new new. It has been plugged in only for testing, and it works perfectly.
Product is on hand and will ship same or next business day upon receipt of payment.
Send 0.60 BTC to the address below and message me with shipping instructions
Bitcoin payment address: 1Myb25jVibRzwTpKsDHp3XmuTjtSg6DYom
submitted by reeldeal1 to BitMarket [link] [comments]

With Bitcoin Mining Rewards down 50% Where is the Miner Capitulation?

With Bitcoin Mining Rewards down 50% Where is the Miner Capitulation? submitted by paulemmanuelng to CryptoMarkets [link] [comments]

Hackers found an opportunity to steal cryptocurrency from bitcoin wallets

Hackers found an opportunity to steal cryptocurrency from bitcoin wallets
A bug in applications for storing digital assets allows criminals to replace unconfirmed transactions with their own and make users' wallets malfunctioning

https://preview.redd.it/1ycx5txr2pb51.jpg?width=280&format=pjpg&auto=webp&s=47e3f179626ef64641accaad40379435065d5249
A team of experts from ZenGo discovered a BigSpender bug in many wallets for storing cryptocurrency, such as Ledger Live, Edge, BreadWallet. The error allows hackers to steal bitcoin and other coins from users.
Some wallets have a feature that allows users to replace an outgoing, unconfirmed transaction with a new one, but with a different Commission. Due to this feature, holders could pay the miners a higher amount for the transfer of cryptocurrency, so that they could confirm the operation faster. At the same time, it has become a loophole for hackers.
To steal cryptocurrency, they must first replace the transaction with another one, but with an extremely low Commission. This will guarantee that the transfer of cryptocurrency will not receive confirmation. Then hackers replace the pending transaction with their own, leading to the wallet they control. As a result, the funds go to the criminals, but the user's app shows that the coins were allegedly delivered.
God gives hackers another opportunity. They can spam the user's address with a lot of fake transactions, so that there is a critical discrepancy between the real and displayed balance. As a result, the wallet will be impossible to use. It is clarified that the Breadwallet and Ledger Live applications have already eliminated the vulnerability.
Today, on July 13, hackers broke into the cryptocurrency wallet of the Indian crypto exchange Cashaa and withdrew 336 bitcoins worth $3.1 million from it. The company reported the incident to the cyber crime investigation Department of the Delhi police and other trading platforms.
News source
Image source
submitted by btcxlab to CryptoMarkets [link] [comments]

Round up of Cryptocurrency News #2 Week 13/07 - 19/07

Round up of Cryptocurrency News #2 Week 13/07 - 19/07
So much has happened this week! We saw a capitulation point of bitcoin before bears took over and we saw the selling pressure push Bitcoin down toward the $9000USD mark then move back up above $9100USD So far it has been a stable hold, however we may see some more action within the coming weeks.
 
Widespread scamming within the Twitter-sphere, Youtube and other platforms as Bitcoin and other cryptocurrencies may seem like fair game. Cryptocurrencies providing big payouts for scammers without the ability for reversals of accounts. Remember if something seems too good to be true, do some research or just plain do not respond/believe it. Stay safe and careful with your funds!
 
On the brightside, there has been even more adoption of cryptocurrencies as rumours of Paypal utilising cryptocurrency has been confirmed as they are developing crypto capabilities. In addition to this we received exciting news at the start of this week about Binance partnering with Swipe (SXP) and offering a debit card to spend BNB, SXP, BTC and BUSD. ( I will be keeping a swift eye on BNB and Swipe as its utilisation as tokens has just increased 43 fold).
 
Positive news for the Bitcoin network as its hashrate reaches all time high which helps to secure the network further even though mining profits have dropped by 50% from the recent halving. If you didn't know already the last Bitcoin will be expected to be mined in 2140 with its difficulty ever increasing and each time securing the network further. Processing units will have to become faster, stronger and most importantly more cost effective to continue to entice miners for the block rewards and further renewable energy practices.
 
Furthermore we can see Central banks and countries discussing and developing Central Bank Digital Currencies (CBDC). Read more about it here https://www.investopedia.com/terms/c/central-bank-digital-currency-cbdc.asp and check out some of the developments in the world above. This shows the popularity and strong nature of cryptocurrencies. As the saying goes "If you cant beat them, JOIN them".
 
Overall, very solid week full of adoption, animation and anticipation. Another post next week for a weekly round up! See you then but in the mean time join us at our Gravychain Discord.
- DISCORD LINK: https://discord.gg/zxXXyuJ 🍕 Bring some virtual pizza to share 🍕
Come have a chat, stimulate a discussion, ask a question or share some knowledge. We are all friendly crypto enthusiasts up for a chat, supportive and want to help each other with knowledge and investments!
Big thanks to our Telegram and My Crypto HQ for the constant news updates! - The Gravychain Collective: https://t.me/gravychain - My Crypto HQ: https://t.me/My_Crypto_HQ
Important/Notable/Highlights:

Special Mentions:
Other:
submitted by IOTAbesomewhere to Gravychain [link] [comments]

Actual cost of a 51% attach, $10.2 million

So I was discussing this last week and honestly it all felt too simple, so I'm trying to get some stronger counterpoints to this argument. Goes something like this.
You have some pool miner that wants to do a 51% attack. Lets assume the attack has three phases, the first phase is to try to accumulate 51% of the hashing power, next is the accumulation of more hashing power by ejecting other pools from through reorg. Finally when they aquired enough mining power they could blacklist exchange hotwallets or all manner of nefariousness. Lets further assume that everyone will act purely in their own self interest. For simplicity lets call the attacker "Spectre Pool".

Accumulation Phase

Assuming Spectre Pool can hit something like 41% of the hashing power, the first goal is to accumulate more resources to hit 51%. Since pool mining is a commodity market, all Spectre has to do in this imaginary world is offer more than the market rate. Since they are already at 41% hashrate, they need to entice another 10% of the market to come to their pool. The obvious way to do this would be to offer a "new customer bonus" or something like that. Some promotion where they pay 1% above market price for the hashing power of pool members. So, given a network hashrate of 116.73 EH and a market rate of 0.101 USD/TH per day, the cost they would have to bear to offer a 1% promotion to entice 10% of the network would be:
116.73_EH / 0.101_USD/TH * 10% * 1% = 1,155,742 USD per day for each 1% "bonus"
So, assuming they were willing to spend that much on "marketing", and that all miners worked in their own self interest, eventually they could lure enough miners over to achive 51%. Once they hit this threshold they could scale back on the "marketing" and thus reduce their daily burn.

Acceleration phase

Once at 51%, the next attack of Spectre will be to put their smallest competitor out of buisness. Lets call that the "Bond Pool", and pretend that Bond has 1.5% of the network hashing power. To put Bond out of buisness, with 51%, Spectere will need to reorg whenever Bond wins a block. By reorging to a chain without Bond, this will put Spectre one block behind and they will need to catch up. Once the reorg begins, Spectre will need to produce the longest chain on its own while starting one block behind. So we need to determine how long (statisticly) it will take Specter to produce n+1 blocks and compare that to how long (statisticly) it will take Bond to win one block.
Although this can be hammered out in an iterive calculation, a better approach will be an algebraic solution. Lets walk through the equations:
You can put the following into a GeoGebra CAS calculator to substitute and simplify the equations
solve(n*m = s*(n+1), n) M = 1/2-d S = 1/2+d m = t/M s = t/S solve(n*m = s*(n+1), d) n = s/(m-s) b = m*M/p solve(b = s*(n+1),p)
This will produce the following equations for the values we are interested in.
m(t,d): t/(1/2-d) # from `m` define s(t,d): t/(1/2-d) # from `s` define n(s,m): s/(m-s) # from `n` solve d(n): 1/(4*n+2) # from `d` solve p(d): 2*d # from `p` solve b(t,p): t/p # from `b` define
Plugging the equations into excel produces the following (assuming t=10)
n d p m s b
25 0.98% 1.96% 20.40 19.62 510
20 1.22% 2.44% 20.50 19.52 410
15 1.61% 3.23% 20.67 19.38 310
10 2.38% 4.76% 21 19.09 210
5 4.55% 9.09% 22 18.33 110
4 5.56% 11.11% 22.50 18 90
3 7.14% 14.29% 23.33 17.50 70
2 10% 20% 25 16.67 50
1 16.67% 33.33% 30 15 30
So once d=0.98%, Specture will have 50.98% of the hashing power, allowing him to eject 1.96% of all blocks mined at will. Of course this is all statistical, so Spectre will want some margin for randomness. So it would make sense to attach 1.5% of the blocks when Spectre reaches 51%
So once Spectre reaches 51% he has enough hashing power to prevent any of Bonds blocks (1.5%) from being included. Spectre can win a reorg (statistically) every 8.5 hrs and Bond can only produce a block (statisticly) every 11.1 hours. So once this attack starts, Spectre simply flashes his promotion to lure the miners in the Bond pool (who are receiving no reward) over to the Spectre pool. If he only gets one third of them, then he can increase his influence to 52%
Doing the same math again, with 52% Spectre can ice out any pool who has up to 4% of the hashing. Then running the promotion, Spectre will try to get 40% of the "homeless miners". Now Spectre's power grows to 55% giving him the power to ice out 10% of his competitors. This can cascade on and on until Spectre is the only public pool left.
Now, at 51% the attack and reorgs take many hours, but as more and more pools get targeted, more and more miners will jump ship and end up at Spectre so long as they can hold the promotion. Bond's only choice would be to either close up, or leverage everything and mine at a loss for weeks hoping that Spectre eventually drops below the threshold for his attack.
Of course Spectre has even more tremendous expenses. To offer the 1% promo to 10% of the network would cost Spectre $1.16 million / day, or 3.52 million per month for each percent of miners it lures over. So going from 41% to 61% would cost Spectre $70.3 million / month, but at that point he can attack 20% of the network giving him a reach of about 80% which is pretty much the entire pooled mining capacity today. Seems like $70 million is a small price to pay to buy the entire bitcoin network.
Other expenses Spectre would accrue would be related to the attacks and reorgs. The early attacks will take hours and throughout Spectre needs to continue payouts to the pool even though he is generating no BTC durring the attack. So long as his chain is orphaned, his blocks have no value. Only after the attack and reorg when his chain becomes longest will he be able to claim the block reward for all the blocks he minded. This (in my opinion) will the the hardest challenge. The first attack and 25 block reorg will require Spectre to put his entire 51% hashing power on an orphaned chain for 8 hours requireing $208.6 million in payouts. Once he wins the attack and the chain reorgs he can cover his expeses with the block reward, but borrowing $208 million for 8 hours is still a very difficult thing to pull off. The interest alone on the attack is over $40,000 (20% interest compounded continually). Below is a table of the calculations
Specte Bond Promo Cost Hrs Blks Levrg / Block Reorg Leverage Rate Int Cost
51.00% 1.50% $1,155,743 8.497 25 $8,025,990 $208,675,743 20% $40,485
51.50% 2.50% $1,232,745 5.825 17 $8,025,990 $144,467,822 20% $19,215
52.50% 4.50% $1,336,143 3.492 10 $8,025,990 $88,285,891 20% $7,039
54.50% 7.50% $1,562,998 2.141 6 $8,025,990 $56,181,931 20% $2,746
58.50% 14.50% $2,023,385 1.140 3 $8,025,990 $32,103,960 20% $835
66.70% 33.30% $2,970,442 0.500 1 $8,025,990 $16,051,980 20% $183
Of course, once Spectre gets 2/3 of the hashing power he controls the entire chain since he can include or exclude any block he wants. So this "Total Self Interest" simulation of a 6 day attack puts Spectre's expenses at $10.3 million in promotions and $71,000 in interest, or about $10.4 million total.
1 - All "hashes" are hashes per second
2 - TH = 1012 or 10004 hashes per second
3 - EH = 1018 or 10006 hashes per second
4 - Assume a market rate of 0.101 USD / TH / day
5 - Assume an average daily network hashrate of 116.73 EH
submitted by brianddk to brianddk [link] [comments]

Bitcoin.com is now signalling SegWit2x!

Bitcoin.com is now signalling SegWit2x! submitted by bitentrepreneur to Bitcoin [link] [comments]

99.2% Probability for Segwit to lock in.

Assuming 85.4% of the network continues signalling.
50% probability @ 73.27% of the network signalling
submitted by blckeagls to Bitcoin [link] [comments]

Bitcoin Cash blocks are being "filled" recently?

According to https://cash.coin.dance/blocks the blocks in Bitcoin Cash are being "filled" to around ~2mb average in the past day by the unknown miner. What is going on? Is this to make Bitcoin Cash the chain with the "most work" over time? What is going on with this?
submitted by dbendorf to Bitcoincash [link] [comments]

Bitcoin Miner Überblick (2019) - die Profitabelsten Best Bitcoin Miner Machine Free download ️ Best BTC Miners ... Bitcoin-Miner - YouTube Bitcoin BTC Adder - YouTube

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Bitcoin Miner Überblick (2019) - die Profitabelsten

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