1. Backblaze B2 :
Backblaze B2 是由 Backblaze Incorporation 提供的云存储服务。它也被称为 B2 云存储。它与 Amazon S3 和其他云存储服务非常相似。它是一种对象存储服务。它由 Backblaze Incorporation 于 2015 年推出。它提供 10 GB 的免费存储空间。它还为高级帐户提供无限的存储空间。
2.快速分享：
RapidShare 是由 RapidShare AG 提供的文件托管服务、云存储服务和在线备份服务。它于 2002 年推出。它具有同时处理大量用户的能力。它有多种语言版本，如英语、法语、德语和西班牙语。它是由Christian Schmid开发的。它最初被命名为ezShare。它是最早的云存储服务之一。 Backblaze B2 和 RapidShare 的区别：
| S.No. | BACKBLAZE B2 | RAPIDSHARE |
|---|---|---|
| 1. | It is owned by Backblaze Incorporation. | It was owned by RapidShare AG. |
| 2. | It was launched in 2015. | It was launched in 2002. |
| 3. | It was developed by Backblaze Inc. | It was developed by Christian Schmid. |
| 4. | It offers 10 GB free storage space and unlimited maximum storage space for paid. | It offered limited storage space for both free and paid accounts. |
| 5. | It is a file hosting and cloud storage service. | It was a file hosting and online backup service. |
| 6. | Maximum file size is not restricted here. | Maximum file size was 500 MB per file. |
| 7. | It is still in use. | This service was suspended in 2015. |
| 8. | Files can be downloaded multiple times. | Files could be downloaded only 10 times in a free account. |
| 9. | Backblaze B2 links do not expire after inactivity of some days. | RapidShare links expired after inactivity of 60 days. |
| 10. | It has no traffic or band-width limit. | It had variable traffic or band-width limit according to paid plans. |
| 11. | Files are not locally encrypted. | Files were encrypted at servers. |
| 12. | It provides more security of data. | It provided comparatively less security of data. |