Dark Wallet is a Bitcoin wallet that was created to improve the anonymity of Bitcoin transactions. It was designed to protect its users’ privacy by providing features such as stealth addresses and coin mixing. 
Dark Wallet was a digital wallet that enhanced data anonymization by obfuscating Bitcoin transactions. Dark Wallet was also sometimes referred to as DarkWallet or Darkwallet. Dark Wallet was an early attempt to improve the anonymity of Bitcoin transactions. Cody Wilson and Amir Taaki created Dark Wallet. Although it was never really completed, Dark Wallet inspired many later anonymity projects.
The first alpha version of Dark Wallet was released in May 2014, and the platform went through several updates before an eighth alpha version came out in January 2015. There have been no further updates, and the project doesn't seem to be under development anymore. However, many similar privacy-focused wallets and cryptocurrencies emerged in the following years.
As of December 2020, it appeared the Dark Wallet site could no longer be reached via standard search engines or the dark web.
The dark web is the World Wide Web content that exists on darknets: overlay networks that use the Internet but require specific software, configurations, or authorization to access.
Through the dark web, private computer networks can communicate and conduct business anonymously without divulging identifying information, such as a user's location. The dark web forms a small part of the deep web, the part of the Web not indexed by web search engines, although sometimes the term deep web is mistakenly used to refer specifically to the dark web.
Samourai Wallet and Electrum on Tails offer many of the anonymity benefits for Bitcoin users that Dark Wallet once promised. However, other cryptocurrencies have since surpassed Bitcoin for anonymity. Monero has many of the features of Dark Wallet built into the cryptocurrency. ZCash takes a different approach, but is also considered an excellent choice for anonymity.
Dark Wallet was an underground site that needed software to be installed in either the Chrome or Firefox browser. Once the steps for installation were complete, a new digital wallet was created with a wallet seed or key—a password needed to access the wallet. The wallet came equipped with three pockets—spending, business, and savings—and with no limit to the number of user-created pockets. Each pocket had its own stealth address from which Bitcoin transactions could be made.
Anonymity in two ways
Dark Wallet offered anonymity and privacy to its users in two ways: stealth addresses and coin mixing.
A user receiving payment from a transaction using the Dark Wallet application had a new address generated for the funds to be deposited. By encrypting the transaction, not even the payer was able to pull up or track the payee's address. Most importantly, the payment was hidden from unsolicited parties trying to look into both users’ transaction histories.
This feature reduced traceability by mixing or combining a user's transaction with those of random users who happened to be making transactions at the same time. If the coins were joined with enough Bitcoin users in the system, tracing transactions from the ledger would prove to be challenging.
Consider the following transactions made at the same time. 'A' purchases an item from 'B', 'C' purchases an item from 'D', and 'E' purchases an item from 'F'. The general blockchain ledger, in all its transparency, would record three transactions for each address.
Dark Wallet, however, only recorded one single transaction by joining them together. The ledger would show that Bitcoins were paid from the addresses of 'A', 'C', and 'E' to those of 'B', 'D', and 'F'. By masking the deals made by all parties, a tracker cannot determine with certainty who sent Bitcoins to whom. Coin mixing is also done when a user is transferring coins from one of his pockets to another.
Although coin mixing and stealth addresses increase anonymity, they do not provide perfect privacy. Determined adversaries with sufficient resources can often trace back transactions.
Concern about Dark Wallet
Critics were worried that Dark Wallet would open the door to many illegal activities, including terrorist funding, money laundering, drug trafficking, and child pornography. However, legitimate businesses wary of surveillance and data hacks welcomed Dark Wallet as a tool for dealing with growing issues surrounding data privacy and anonymity.
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