The Babylon & Chakra testnet staking ends at 5pm today. There is no cost. You can go to the project DC to get SBTC for free, but there are many people and it is difficult to get it.
Or you can buy SBTC directly. The cost of one number is about 1.5U. If you have many numbers, you can buy more and divide them into other wallets. Depending on your own situation, it will take about 30 minutes for the purchase to arrive in your account. If there are many people, it may take longer.
After receiving (purchasing) SBTC, you can go to pledge. It takes about 1 hour for the pledge to be approved (depending on the block situation). After the pledge is approved, you can complete the tasks of Galaxy, which are mainly Twitter follow, forward, like, join DC, join Telegram and other routine operations. Therefore, if you want to operate, you need to do it 2 hours in advance, after all, it ends at 5 pm today, Dyor.
Buy water (SBTC) link: https://minibridge.chaineye.tools/?src=arbitrum&dst=bitcoinsignet&mode=swap
Staking official website: https://btcstaking.testnet.babylonchain.io/
Babylon Galaxy Quest: https://app.galxe.com/quest/Babylon/GCyyntz73L
Chakra Galaxy Quest: https://app.galxe.com/quest/aydf7GzQjfLYoHLK266faV/GCAtQtdx4V
Hands-on practical tutorial (it is recommended to practice carefully according to the tutorial, without any card points):
https://mirror.xyz/0x30bF18409211FB048b8Abf44c27052c93cF329F2/wuC_0kKhpUXZ3KZ3Agi0cf_4kDcbS5myVLQWQ1EF0I0