Write a short and concise consultancy report aimed at the stakeholders involved in the voluntary carbon market(s). The report, which should be based on theoretical and empirical desk research, should address the following issues:

1- Mapping out current projects/start-ups/consortia aiming at developing Blockchain/DLT-based solutions for the voluntary climate market(s).

2- Assessing the technology solutions proposed by these projects/start-ups/consortia, hereunder proposed tech platforms/architecture and suggested business models.

3- Assessing the feasibility of implementing these solutions, the structure and legacy of the sector taken into consideration.

4- Presenting guidelines/best practices for stakeholders in the sector that would potentially be interested in engaging in a digitalization project that involves Blockchain/DLT.