Overview
Fireblocks regularly updates the API Co-Signer software with stability and feature improvements. This page includes information about the most recent API Co-Signer versions.
Identifying your current API Co-Signer version
To check your current API Co-Signer version, run the following command on your API Co-Signer server:
head cosigner -n 3 | grep VER
Recent version history
Version 1.1.7 (August 2023)
- The version includes the changes related to the MPC-CMP security enhancements
- Added support for co-signer retry mechanism to re-initiate the transaction signing attempt in case of momentary network issues reaching Fireblocks services.
- Various bug fixes
To validate this API Co-Signer version, make sure it matches the expected checksum:
MD5 (cosigner-v1.1.7) = 703366381aa535a0aab2a6b4330b1c96
Version 1.1.6 (February 2023)
- Added support for Docker version 1.29.2
- Added validation for microcode
- Additional information about the microcode version appears on the logs.
- Relevant only to customers with API-Cosigners installed on-prem.
- Added validation to make sure Hyper-Threading is disabled
- If Hyper-Threading is enabled, additional information appears on the logs.
- Relevant only to customers with API Co-Signers installed on-prem.
To validate this API Co-Signer version, make sure it matches the expected checksum:
MD5 (cosigner-v1.1.6) = 33f2f93d02371d119bc31cb4fec8a013
Version 1.1.5 (February 2022)
- Added support for API Co-Signers in high-availability
- Updated authentication model
To validate this API Co-Signer version, make sure it matches the expected checksum:
MD5 (cosigner-v1.1.5) = 0cde4b64661616488f0c4f0e9c37f265
Version 1.1.4 (December 2021)
- Various bug fixes
- Added support for deployment via a network proxy
To validate this API Co-Signer version, make sure it matches the expected checksum:
MD5 (cosigner-v1.1.4) = f1d240e0ee1e3ce51b7aedc57fbee82e