Logo Design for a Blockchain based e-seal solution

This is what As text it should simply be e-seal was looking for in their logo design

We are looking for a logo for a new product. With Electronic Seal, we offer a blockchain-based electronic seal for companies that can guarantee tamper-proof data (legally issued, immutability and authenticity of data). The seal is stored in the highly secure Swiss Trust Chain. Electronic Seal allows the cost-effective mass sealing of data. The idea is that you can seal any documents, and be sure afterwards you always can proof that the document was never changed. Read more