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How to recover a deterministic wallet offline?

Bitcoin feeds -

I know that in the case of electrum there is a gap limit and it will keep generating addresses until it finds a number of consecutive empty addresses equal to the gap limit. What about if I want to recover my wallet using my seed offline, suppose that electrum servers are not working and I (...)

Does the recognition of bitcoin as payment in Japan mean that one can pay its taxes in bitcoin in Japan ?

Bitcoin feeds -

The Japanese government recently adopted legislation to approve bitcoin as a payment mechanism.


Does that mean that one can now pay its taxes in bitcoin in Japan ?

According to modern monetary theory, "taxes drive money": the fact that the government accept (fiat) currency as (only) payment of your tax creates demand for fiat currency and ultimately ensures the "value" of (fiat) currency in the economy.

Hence, the acceptance of bitcoin for taxation in Japan would be BIG news in my opinion.

Do any of the Japanese locals have an opinion on this ? Will you try to pay your taxes in bitcoin ?

submitted by /u/pycke
[link] [comments]

Finding a good Rest API to get payments.

Bitcoin feeds -

Hi, I'm a software developer and I'm building a photo selling website that accepts bitcoin payments. My needs are:

  • Creating a wallet
  • Get notified for incoming transactions for created wallets
  • Sending bitcoins to photo owners

Firstly I've tried to use blockchain.info API but it's depreciated at the beginning of the year, and they didn't accept my website to use new version of API. So I've switched to Coinbase API, then I've learnt that they are doing some bad actions like following transactions. Seems that they are not very trustable.

So at the moment I'm stopped development about payments until finding a good way to accept and send Bitcoins. Can anybody (especially developers that used bitcoins) recommend me any?

submitted by /u/joanmiro
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RIP Ray Tomlinson, The Creator of Email, Dies at 74

The Hacker News -

A computing legend who 'changed the way the world communicates' has died. RAY TOMLINSON, the man who invented email as we know it today and picked the @ symbol for email addresses, passed away at the age of 75 following an apparent heart attack Saturday morning, according to reports. Hard to believe but 'the godfather of email' has passed away. His death was confirmed by Mike Doble,

Raspberry Pi 3 Is a Nice Upgrade, But Alternatives Exist With Faster Performance

Slashdot -

An anonymous reader writes: With the Raspberry Pi 3 now available, benchmarks have been done comparing the Raspberry Pi 3 to other ARM SBCs. The Raspberry Pi 3 was found to be a faster upgrade compared to the Raspberry Pi 2, but the ODROID-C2 is a much faster alternative. For only $5 more than the Raspberry Pi 3, it includes twice the amount of RAM, Gigabit Ethernet, and a faster SoC. The ODROID-C2 also has HDMI 2.0 and superior Ethernet while the Raspberry Pi 3 has an advantage of 802.11n WiFi. The ODROID-C2 also has a heatsink for ensuring the SoC doesn't get as toasty as the Raspberry Pi 3.

Read more of this story at Slashdot.

MIT Bitcoin Expo Day Two: Emerging Market Opportunities

Bitcoin Magazine -

The second day of the MIT Bitcoin Expo, hosted by the MIT Bitcoin Club this weekend in Cambridge, Massachusetts, took a step away from technical debates surrounding Bitcoin development and focused on applications in the financial sector and beyond. Speakers included representatives of R3, the digital ledger consortium of 42 banks, and Enigma, a blockchain-based technology that allows computing on encrypted data.

Sunday morning kicked off with opening words from Latanya Sweeney, who serves as Chief Technologist for the Federal Trade Commission as well as Director of the Data Privacy Lab at Harvard University. She began by reframing how our current economy is governed.

"We live in a technocracy, where every value is up for grabs." -@LatanyaSweeney

She went on to describe how racism has pervaded current technologies. For example, on Google, according to her recent paper, a black-identifying name was 25 percent more likely to get an ad suggestive of an arrest record. She stated that The Princeton Review, which offers standardized testing preparation for students, increased prices by 180 percent on average for people living in primarily Asian neighborhoods, and that Asian Airbnb hosts earn 20 percent less than Caucasion hosts when listing their homes. Latanya urged the community to keep these types of discrimination in mind when building new infrastructures using Bitcoin and other digital currencies.

Following a talk from Northwest Passage Ventures Founder and CEO Alex Tapscott about the “Blockchain Revolution,” Nasdaq’s Director of Global Software Development Alex Zinder took the stage to discuss the development of Nasdaq Linq, a blockchain-enabled platform for managing unregistered securities. Zinder walked the audience through the history of financial securities management and specific areas where Linq can streamline the process.

Zinder was followed by Kathleen Breitman, a Strategy Associate for R3 who fielded questions from the audience about the viability and strategy of their private blockchain. Breitman and Zinder were then joined by Digital Asset Holdings CTO Shaul Kfir, Case CEO Melanie Shapiro and Deloitte Consulting Principal Eric Piscini, who sat on a panel discussing the integration of Bitcoin into traditional finance.

Dean Masley, the executive director of the Blockchain Education Network, took the stage following the panel to encourage developers to play with and practice building with the blockchain. He also announced Blockchain Madness, an inter-campus trivia contest between teams from MIT, NYU, Concordia University and others that will take place this March.

Masley was followed by Dominik Schlener, who discussed the concept and implementation of PublicVotes, a voting platform he built with Ethereum that could help countries save as much as 99.78 percent of the costs associated with counting and collecting ballots. Michael Gord, founder of the McGill University Bitcoin Club, followed to talk about his experience hosting the McGill Bitcoin Airdrop, where students each received USD $10 in Bitcoin free, in exchange for helping to increase user adoption.

Later in the afternoon, Enigma co-founder Guy Zyskind took the stage to explain the backend behind his technology, which utilizes a large decentralized network of computers that enables users to query and compute with data that remains encrypted throughout the entire process. By splitting a large, encrypted dataset into smaller packets and only compiling the final decrypted query together on the client’s computer, Enigma is bringing theoretical distributed computing to reality using blockchain as the backend.

The afternoon was comprised of a discussion about increasing the block size, limitations of blockchain-based voting and approaches to identity verification on the blockchain from Netki CEO Justin Newton.

Former MIT Bitcoin Club executive director Jeremy Rubin closed the conference with macroeconomic theory and how it relates to the current state of the Bitcoin community.

"We shouldn't treat these community debates as battles to win, but rather as competitions to be proud of." -@JeremyRubin

Set overlooking the Charles River, the third annual MIT Bitcoin Expo brought together developers, founders and students to discuss both technical issues and potential solutions in today’s polarized climate.

When asked about the conference, current MIT Bitcoin Club executive director Nchinda Nchinda simply stated, “We're going to make blockchain great again.”



The post MIT Bitcoin Expo Day Two: Emerging Market Opportunities appeared first on Bitcoin Magazine.


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