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cryptanalysis - Memory-hard proof-of-work: are they ASIC-resistant? - Cryptography Stack Exchange
All three of these answers are great.

--

> Long story short: to create an ASIC for whatever cryptocurrency, you have to have financial backing and a clear break-even-point within reach. If you don’t have those two corner-stones, memory hardness is the least of your problems and you better go back to your drawing board to rethink your plan.

> Getting back to your questions: if we assume that your attacker has access to resources as described above, such an attacker would be able to work his/her way well beyond the limits of a specific “memory-hard” PoW implementation.

> The logic question arising out of this (and somewhat implied by your question) is: is memory-hardness “the” solution towards ASIC-resistance? Not really
cuckoo-cycle  cryptocurrency  asic  mining 
25 days ago by num1
The State of Cryptocurrency Mining – Sia Blog
For those new to the blog, I am the lead developer of Sia, a blockchain based cloud storage platform. About a year ago, myself and some members of the Sia team started Obelisk, a cryptocurrency ASIC…
mining  asic  cryptocurrency  hardware  analysis  economics  strategy  manufacturing  centralization  bitcoin  pow  consensus  politics 
28 days ago by orlin
Twitter
RT : Yep folks, the chief who conspired to mislead (after AMP defrauded its
customers  lawyer  ASIC  AMP  from twitter
7 weeks ago by kcarruthers
ASIC KEEPS WATCHFUL EYE OVER DIRECT SALE ADVERTISING
According to a recent article in The Sydney Morning Herald, the Australian Securities and Investments Commission (ASIC) is keeping a watchful eye on the insurance industry and, the direct sales channel has been a particular focus of the regulator’s attention.
ASIC  insurance_advertising  blog_article  melbourne_insurance_brokers 
march 2018 by donmegga
Bitmain is buying 20k 16nm wafers from TSMC per month (more than NVIDIA)
"Bitmain, the largest Bitcoin miner on the planet, is now buying a whopping 20,000 16nm wafers a month from TSMC! That's double as much as in the previous quarter and a higher volume than what NVIDIA orders from TSMC.
Dutch tech site Hardware.Info calculated that Bitcoin can get a maximum of 5,670 chips out of every wafer. In total, that would be enough for 600,000 Bitmain Antminer S9 systems per month, but the actual number will probably be lower as we don't know the yields."
bitcoin  asic  cryptocurrency  mining 
february 2018 by gohai
Twitter
RT : Bunnie Huang on Open-Source, Low-Cost ASIC Design.

FOSS  FOSSi  ASIC  OSHW  from twitter
february 2018 by 9600
How to Design a New Chip on a Budget - IEEE Spectrum
Huang: I did a little research on this once upon a time. There are some open-source tools that might be able to get you there. The “SCMOS” design rules are the most workable. I think these are the design rules that Open-V was trying to use.

As for design software, you can use an open-source toolchain based on Magic (Xcircuit, IRSIM, NetGen, Qrouter, and Qflow). Or, if you can afford it, you could use close-source commercial products, like those from Cadence.
I’ve used both Magic and Cadence design flows. I personally enjoyed using Magic’s chip-layout editor more, but Cadence software is more iron clad, having been used to design so many chips. And Cadence’s tool for simulating the effects of parasitic resistance and capacitance has been well vetted.

That’s not to say that you’d need to use Cadence or the like. I think you could use Magic to build some ICs that have really wide tolerances—the sorts of ICs that you might find inside LED drivers and maybe even stuff like hearing aids. It might be a bit of a challenge to do RF design, because the open-source tools to simulate parasitic effects might not be up to the task. But there is a methodology to refine models that should allow you to develop a successful design in two or three chip runs.
hardware  asic 
february 2018 by euler
Samsung confirms it is making ASIC chips for cryptocurrency mining | TechCrunch
Fresh from toppling Intel as the planet’s biggest seller of chipsets, Samsung has confirmed that it has begun manufacturing ASIC chips which are used to mine bitcoin, ether and other cryptocurrencies.

“Samsung’s foundry business is currently engaged in the manufacturing of cryptocurrency mining chips. However we are unable to disclose further details regarding our customers,” a company spokesperson told TechCrunch.

Samsung declined to provide more details when we asked.

The statement follows reports in Korea media which claimed that the tech giant had made the move in collaboration with an unnamed Chinese distribution partner. Samsung already produces high-capacity memory chips for GPUs, which are conventionally used to handle graphics on computers but are also deployed for mining purposes.

The news brings big-name competition to the ASIC space, which is dominated by China’s Bitmain and Canaan Creative, both of which work with Taiwanese giant TSMC. Indeed, the crypto explosion is said to have added $350-$400 million to TSMC’s (already impressive) quarterly revenues.
asic  samsung  spunti  bitcoin  fordjbatman 
january 2018 by nicoladagostino
A Message to Nebulous and the Sia Community – Nick Hansen – Medium
A Message to Nebulous and the Sia Community

(Written by Eddie Wang and Nick Hansen on behalf of the signatories)
(Open Petition: https://www.ipetitions.com/petition/a-message-to-nebulous-and-the-sia-community)

January 23, 2018
To: Nebulous Inc.
280 Congress St, Floor 12
Boston, MA, 02210
USA
siacoin  sia  cryptocurrency  ASIC  Bitmain 
january 2018 by vitaminq

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