Electrum Lightning

UBTC Electrum Light Wallet Multi-Sign Address Transfer Contract Token Tutorial.

Attackers reportedly created their own Electrum servers, which hosted the attacked version of Electrum in order to implement the attack. When the user will be vulnerable.

Users of Bitcoin wallet Electrum are currently facing phishing attacks, according to the Devi Security Lab. Hackers broadcast messages to electrum clients through a malicious server, prompting the user to update to v4.0.0, and if the user is prompted to install this backdoor-carrying client, the private key is stolen and all digital assets are stolen. As of 13:00, at least 1450 BTCs worth approximately $11.6 million had been stolen from phishing attacks that forged Electrum upgrade tips. Devi Security Labs hereby suggests that versions of Electrum below 3.3.4 are vulnerable to such phishing attacks, and users using Electrum Wallet are requested to update to the latest version of Electrum3.3.8 via the official website (electrum.org), which has not yet been officially released v4.0.0, and do not use the link in the prompt message to avoid asset losses.

Starting from May 4, 2019, OKEx has taken out 30% of the transaction fee for the issuance of 300 million OKBs to buy back OKBs and transfer them to black hole addresses for complete destruction, which has been carried out seven times, with a cumulative destruction of 17,161,709.06 OKBs, with a current circulation of 282,838,290.94.

Wallet, Coldlar, Electrum, Huobi.

In this demo, Electrum developer Chris Belcher shows how to set up and use an Electrum personal server.

B: Electrum server can customize messages to appear in the user's electrum light wallet software, giving hackers a chance to broadcast phishing messages.

Until the smallest unit of Satoshi (Satoshi, 1 Satoshi , 10 -8 BTC) can no longer be halved, subsequent mining will no longer issue bitcoins, to a total of approximately 21 million.

Master of Arts and Crafts students with Python to implement 11 classic data reduction algorithms, the source code library has been opened.

One problem with these technologies is that they always cost more resources (time, bandwidth, storage, etc.) than non-privacy solutions such as web wallets and centric Electrum servers. Some measurements show that very few people actually use bip37 because it's too slow, so even client block filtering may not use much.