100 Days of #Bitcoin, Day 35

Two years ago, Ethereum's Berlin upgrade activated at block 12,244,000, marking a significant milestone in the network's evolution. The upgrade delivered key improvements: - Optimized gas cost calculations - Enhanced support for multiple transaction types - Increased overall network efficiency This update was part of Ethereum's broader roadmap, following the Constantinople upgrade of 2019 which had previously adjusted mining rewards and laid groundwork for proof-of-stake transition. Learn more about Ethereum's upgrade history at [ethereum.org](https://ethereum.org/history)

Kraken has expanded its trading offerings with multiple new token listings in early 2025: - **WalletConnect (WCT)** - Latest addition on April 15 - **SSV Network (SSV)** - Added April 14 - **Kernel (KERNEL)** - Added April 14 - **Mind Network (FHE)** - Added April 10 - **AIWayfinder (PROMPT)** - Added April 10 All new listings include: - Enabled deposits and withdrawals - Full trading functionality - Geographic restrictions apply Trading available to US clients in select states: Alabama, Connecticut, Idaho, Iowa, Kentucky, New Jersey, Oklahoma, Rhode Island, Wyoming and DC.

Kraken has expanded its services with several key announcements: - **Stock Trading Launch**: Now offering commission-free trading of US stocks and ETFs in select states - **Kraken+ Subscription**: New $4.99/month premium service includes: - Zero fees on trades up to $10K/month - Enhanced USDG rewards (4%+ APR vs standard 2%) The exchange also partnered with Mastercard to enable crypto payments at over 150M merchants. [Learn more about stock trading](https://www.kraken.com/stocks) [Explore Kraken+](https://blog.kraken.com/product/kraken-plus)

A recent survey has identified that the primary obstacle preventing investors from entering the AI token market is insufficient understanding of the technology and its applications. - Many potential investors express interest but feel held back by knowledge barriers - Educational resources are available to help bridge this gap - Comprehensive guides explain AI tokens' role in blockchain technology For detailed information about AI tokens and their potential in the blockchain ecosystem, check out the complete guide: [AI Token Guide](https://k.xyz/4i9qsm1)

A comprehensive guide for first-time crypto transfers: - **Wallet Basics**: - Hot wallets: Online, convenient but less secure - Cold wallets: Offline, maximum security - **Critical Safety Steps**: - Always copy-paste wallet addresses - Double-check recipient details - Verify correct blockchain network - Send test transactions first - Monitor transaction fees - **Security Best Practices**: - Enable 2FA - Never share private keys - Use hardware wallets for large amounts - Verify all transaction details Alternative: Kraken Pay offers fee-free transfers between Kraken accounts using email/phone/Kraktag. [Full guide available here](https://k.xyz/3FN3d3x)