Bitcoin Cash Addresses to be accepted on Trezor

Well-known hardware cold storage wallet company Trezor confirmed the integration of Cashaddr for Bitcoin Cash
02 April 2018   1685

Jason Elliott, Twitter BSH advocate, started tweeting to hardware, cold storage wallet markets as to when their users could suppose Cashaddr implementation,  a bitcoin cash (BCH) ecosystem accepted standard for addresses to help limit disorder. Bach N. of Trezor replied, affirming Cashaddr to be in drafting for Trezor. He also completed his answer with a a Github link, which appeared to prove the tweet.

The Github refers a Trezor MCU started the beginning of this year. The creator of Cashaddr #285 is Jochen Hoenicke. There are also 3 commits, including Satoshi Labs’ repository participant Pavol Rusnak.

This needs to be done outside the firmware for cashaddr support. Webwallet: compute cashaddr addresses from xpub. Note that only the last step from hashed public key to address needs to be changed. The webwallet checks that the address the Trezor returns is as expected. This check should also allow 1.. addresses so that it works with older firmware (so we don’t have to deploy both at the same time); allow cashaddr as send to address. The firmware supports both and both use SPENDADDRESS. The only difference is the confirmation message given to the user; the transaction format did not change at all.

 

Jochen Hoenicke 

Developer, Github

 

Amaury Séchet, the lead developer of bitcoin cash, considers though such changes may be expensive, it is necessary to study different other options then changing only the prefix before settling on something.

Two weeks ago Trezor answered to long time Reddit user about how the company was just outright refusing to add the address change. They explained that the mess had been caused by inconvenient architectural decision of [BCH] team. Despite the team had been  alerted by Trezor about the problem, the programmers decided to ignore the warning.Cashaddr support is in common development process and it’ll be ready when done.

Supplemented with the even more recent confirmation and Github activity, Bitcoin Cash users can stay hopeful about the coin`s future development prospects.

Bitmain to Announce New ASIC Chip

BM1397 chip requires less energy and is able to achieve efficiency at 30J / TH
18 February 2019   377

This Monday, the Chinese mining company Bitmain announced the next-generation 7-nm chip codenamed BM1397, which, according to it surpasses its predecessors in performance and energy efficiency and is suitable for mining cryptocurrencies on the SHA256 algorithm, including Bitcoin and Bitcoin Cash.

The BM1397 chip requires less energy and is able to achieve efficiency at 30J / TH, which is “higher by 28.6% than the previous 7-nm chip from Bitmain”, codenamed BM1391.

BM1397 is manufactured using TSMC, a Taiwan-based semiconductor product company, which is one of the leading suppliers in the cryptocurrency mining industry.

The BM1397 chip will be installed in the new ASIC miners of the Antminer S17 and Antminer T17 models, the release of which Bitmain promises to announce later. The company does not provide other details of the updated devices in its message.