# 2024.3.4 - 2024.3.10

*If there are omissions or errors, corrections are welcome. Thank you very much!*<br>

### **2024.3.9**

Advancing Bitcoin [posted](https://twitter.com/advbitcoin/status/1766155921883815947) that Super Testnet @super\_testnet the contributor to BitVM will give a hands-on workshop on "Learn BitVM by Building Tic Tac Toe" at The [Advancing Bitcoin Conference](https://www.advancingbitcoin.com/) @advbitcoin next week 14th March.

### **2024.3.6**

On March 6, 2024, Robin Linus @robin\_linus [tweeted](https://twitter.com/robin_linus/status/1765337186222686347) that Dan Boneh @danboneh introduced Winternitz signatures as a more compact alternative to Lamport signatures (also known as bit commitment). This reduces the bit commitment size by 50%, enabling a reduction of at least 50% in transaction fees for BitVM. For the relevant code implementation, refer to: <https://github.com/BitVM/bitvm-js/blob/main/run/examples/winternitz.js>. The theoretical knowledge of Winternitz signatures can be found in Section 14.3 of Dan Boneh's book at <https://toc.cryptobook.us/book.pdf>.


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