How Bitcoin transaction fees are actually calculated
Your Bitcoin fee is size in vBytes times your sat/vB bid. The amount you send never enters it. Here's the formula and how to pay less.
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This Week in Crypto (August 10–17): The SEC Cancels Its Own Crypto Vote, ETFs Give Back $389.7M in Five Sessions, and Strategy Sells Another 1,690 BTC
The biggest item in crypto news this week is a meeting that didn't happen. The SEC was scheduled to propose crypto-specific rules for the first time on August 14, then pulled the meeting the day before and named no new date. Around that: a Bank of Japan
What is an embedded wallet, and is it really self-custody?
An embedded wallet has no seed phrase, but the key still exists. Four questions that tell you whether you actually control it.
What is a fake dApp, and how do you check before you connect?
Impersonation scams grew 1400% in 2025. How spoofed dApps copy real crypto apps, what you're actually signing, and how to check before you connect.
Session keys and auto-confirm: what you're really turning on
97% of EIP-7702 delegations pointed to attacker contracts. What session keys and auto-confirm grant, and the limits that bound them.
This Week in Crypto (August 3–10): BIP-110 Forks and Dies in Two Blocks, BTCPay Drains Merchant Lightning Nodes, and the CLARITY Act Finally Gets a Date
If last week BIP-110 was dead on arithmetic, this week in crypto it died on the chain — a real fork, at a real block, that produced two blocks and stopped. Bitcoin's infrastructure then took a second hit in seven days, draining merchants' Lightning nodes. Around those:
Coin98 Super Wallet | July Sync 2026
July focused on strengthening wallet security, improving asset management, and creating more opportunities for users to engage with the ecosystem. From launching Wallet Health to expanding Perps markets and community initiatives, we continued building a more secure and seamless onchain experience.