cold wallet

BitBox02 Nova

2026-07-03 01:00:14

BitBox Unveils BitBox02 Nova: A Hardware Wallet with Native iOS Support and Whisper Bluetooth Architecture

BitBox has launched the BitBox02 Nova, a redesigned hardware wallet focused on Bitcoin self-custody. The device addresses the previous lack of native iPhone/iPad compatibility by developing new hardware that meets Apple's requirements. It introduces the Whisper trust-minimized Bluetooth system, where wireless communication is physically isolated on a separate microcontroller and all data is cryptographically secured. The hardware employs an EAL6+ certified secure chip for physical attack resistance. Two versions are available: a Bitcoin-only edition with minimal firmware, and an altcoin version supporting multiple cryptocurrencies plus universal two-factor authentication.

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BitBox

2026-07-03 00:45:14

BitBox Launches BitBox02 Nova: A Redesigned Hardware Wallet for Bitcoin Self-Custody with Native iOS Support and Whisper Bluetooth

BitBox has announced the BitBox02 Nova, a newly redesigned hardware wallet specifically built for Bitcoin self-custody. The device introduces native compatibility with iOS devices, eliminating previous workarounds. It features Whisper, a trust-minimized Bluetooth architecture that physically isolates wireless communication from the core wallet firmware, ensuring cryptographic integrity and privacy. The BitBox02 Nova uses an EAL6+ certified secure chip and offers increased memory for future updates. Two versions are available: a Bitcoin-only edition with minimal firmware, and a multi-coin version supporting altcoins and universal two-factor authentication.

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Upbit

2026-06-29 12:30:11

Upbit Exchange Full Review: South Korean Regulated Crypto Platform with Deep KRW Liquidity and Security Analysis

Upbit is a centralized cryptocurrency exchange founded by South Korean fintech firm Dunamu in partnership with Bittrex. Launched in October 2017, it quickly became the world's top exchange by daily trading volume. This comprehensive review covers Upbit's regulatory status (licensed by Korea's FSC, ISMS/ISO certified), supported countries (primarily South Korea with global subsidiaries in Singapore, Indonesia, Thailand), fee structure (0.05% maker/taker for KRW pairs, 0.25% for BTC/USDT pairs), and key features including Upbit Data Lab analytics, NFT marketplace (partnering with HYBE and JYP Entertainment), institutional custody (Upbit Biz), staking rewards (ETH, ATOM, ADA, SOL, MATIC, CRO), and crypto borrowing services. The article details the mandatory KYC process (including recent FIU scrutiny with over 500,000 potential violations), step-by-step account creation and trading instructions, withdrawal fees table, and compares Upbit with alternatives Bithumb, Korbit, Binance, and KuCoin. Security measures include 95% cold storage, 2FA, and regular audits, though past hacks (2019 and 2025, $36 million in SOL) remind users no exchange is immune. Upbit is not available to US residents and does not offer leverage trading, making it best suited for Korean residents seeking deep KRW liquidity and regulatory safety.

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private key

2026-06-23 11:01:16

Web3 Survival Guide #1: Private Keys, Seed Phrases, and Wallet Passwords — What's the Difference?

This opening piece of the "Web3 Survival Guide" series breaks down the fundamental differences among private keys, seed phrases, and wallet passwords. It explains why crypto assets are not actually "stored in a wallet," and contrasts exchange accounts with self-custodial wallets — essential knowledge for newcomers.

1980

private key

2026-06-23 09:01:01

Web3 Survival Manual 01: What's the Difference Between Private Key, Seed Phrase, and Wallet Password?

As the first installment of the "Web3 Survival Manual" series, this article systematically explains the essential differences among private keys, seed phrases, and wallet passwords, the nature of asset custody, the distinction between exchange accounts and self-custodial wallets, and the basic principles of hot and cold wallets, providing newcomers with a correct understanding of asset protection.

2010

Cryptocurrenc

2026-06-19 14:00:50

Texas Brothers Plead Guilty in $8 Million Crypto Kidnapping Case

According to Decrypt, Texas brothers Isiah Garcia and Raymond Garcia pleaded guilty in federal court in Minneapolis after admitting they kidnapped a family in Grant, Minnesota, and forced the homeowner to transfer more than $8 million in cryptocurrency.

1970

Mt. Gox

2026-06-02 13:28:09

Mt. Gox Moves $739M in Bitcoin from Cold Wallet, Extends Repayment Deadline to October 2026

Bankrupt exchange Mt. Gox transferred 10,422.65 BTC worth over $739 million from its cold wallet, with most sent to a new address and a small amount to a hot wallet. The transaction was not a signal of a new round of creditor repayments, and the trustee has extended the repayment deadline to October 31, 2026, with about 35,000 BTC still to be distributed.

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Mt. Gox

2026-06-02 14:00:51

Mt. Gox Moves 10,422 BTC from Cold Wallet, Repayment Deadline Extended to October 2026

Bankrupt exchange Mt. Gox shifted 10,422.65 BTC worth over $739 million from its cold wallet, but on-chain data shows no sign of a sale or new creditor repayments. The trustee has pushed the repayment deadline to October 31, 2026, while roughly 35,000 BTC remain to be distributed.

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