Deterministic Wallets, Their Advantages and their Understated Flaws

Deterministic Wallets, Their Advantages and their Understated Flaws

cIf you have been following the last year of progress in Bitcoin wallet development, you will have likely already heard of one of the latest trends in backend designbe: deterministic wallets. Unlike old-style Bitcoin wallets, which generate new Bitcoin addresses and private keys randomly as needed, in a deterministic wallet all of the data is generated using a specific algorithm from a single seed. That is to say, if you write down the seed to your deterministic wallet, and then after six months your hard drive gets corrupted and the wallet unrecoverable, you can simply create a new wallet....


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Top Bitcoin Wallets 2016

Since the beginning of 2015, the bitcoin industry has seen an increasing number of data breaches targeted at bitcoin wallet service providers and exchanges, leaving the private keys of bitcoin accounts and user funds vulnerable to potential hacking attacks. Leading bitcoin exchanges and wallet platforms have begun to implement backup encryption systems, the multi-signature technology and provide hierarchical deterministic (HD) wallets to secure user funds. Deterministic & Multi-Sig Wallets. Leading deterministic bitcoin wallet platforms include Electrum, CarbonWallet, TREZOR and Armory.....

MultiBit Teases HD Wallet Update

One of the first ever screenshots of MultiBit HD. MultiBit is widely considered to be one of the most secure and lightweight desktop wallet applications. The free, cross-platform wallet has been around since 2011, and currently has thousands of users worldwide. What makes MultiBit so unique is that it supports opening multiple wallets simultaneously, does not require downloading the entire Bitcoin blockchain, encrypts and stores private keys locally, and is available in over 35 languages. Back in September 2013, MultiBit announced plans to fork the existing code and develop a new,....

Q&A with Rassah on Mycellium 2.0 HD Wallet

Dmitry (Rassah) Murashchik reveals interesting insights about the Mycelium 2.0 HD wallet released on September 22, 2014 on the play store beta channel. What can you tell us about your 2.0 release? “We implemented the BIP39, BIP32, and BIP44 standards which is HD (stands for hierarchical deterministic). For those guys who don’t know what that is; generally a bitcoin private key gets generated from a random number, and then you get an address from that. Anytime you want another bitcoin address you need a new random number, so whenever you want to back that up, that means you....

Airbitz Implements Deterministic Signatures for Its Wallets

Bitcoin solutions developerAirbitz has developed a mobile wallet that now supports deterministic transaction signatures. The transaction signatures support the RFC 6979 standard. To understand why this is significant, here is some background on signatures and why they are necessary. Bitcoin uses elliptic curve digital signatures which require a random value with every transaction. Multiple transactions utilizing the same private key and a poor random number generator for transaction signing may reveal a significant portion of the private key. Digital Signatures Explained. In an open source....

BitQuick Integrates Pay to Script Hash Multi-Sig

Peer-to-peer Bitcoin trading platform, BitQuick, has announced its integration of Pay to Script Hash (P2SH) multi-sig addresses through BitGo. This makes BitQuick the first major marketplace to implement multi-sig technology. BitGo, which launched the first ever multi-sig Bitcoin wallet back in 2013, provides its clients with three keys. Two of the keys, the user key-pair and the backup-key pair, are held by BitQuick, and one key is held by BitGo. The backup-key pair is stored in a secure offline location and can be used for fund recovery in the case of a BitGo service failure. In order to....

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