Distributed key secret for rewritable blockchain
G Ateniese, MT Chiaramonte, D Treat, B Magri… - US Patent …, 2017 - Google Patents
A system includes circuitry for rewriting blockchains in a non-tamper-evident or tamper-
evident operation using a key secret held in portions by multiple individually untrusted …
evident operation using a key secret held in portions by multiple individually untrusted …
Multiple-link blockchain
G Ateniese, MT Chiaramonte, D Treat, B Magri… - US Patent …, 2017 - Google Patents
A system includes circuitry for rewriting blockchains in a non-tamper-evident or tamper-
evident operation using a key secret held by a trusted party. The blockchains may include a …
evident operation using a key secret held by a trusted party. The blockchains may include a …
Hybrid blockchain
G Ateniese, MT Chiaramonte, D Treat, B Magri… - US Patent …, 2018 - Google Patents
A system includes circuitry for performing hybrid blockchain rewrites by trusted parties. The
hybrid blockchain may include blocks with multiple parts. In some cases, the blocks may …
hybrid blockchain may include blocks with multiple parts. In some cases, the blocks may …
Rewritable blockchain
G Ateniese, MT Chiaramonte, D Treat, B Magri… - US Patent …, 2018 - Google Patents
A system includes circuitry for rewriting blockchains in a non-tamper-evident or tamper-
evident operation using a key secret held by a trusted party. The blockchains may include a …
evident operation using a key secret held by a trusted party. The blockchains may include a …
Rewritable blockchain
G Ateniese, MT Chiaramonte, D Treat, B Magri… - US Patent …, 2018 - Google Patents
A system includes circuitry for rewriting blockchains in a non-tamper-evident or tamper-
evident operation using a key secret held by a trusted party. The blockchains may include a …
evident operation using a key secret held by a trusted party. The blockchains may include a …
Position paper: the past, present, and future of sanitizable and redactable signatures
Sanitizable signature schemes (SSS), as well as redactable signature schemes (RSS),
gained a lot of attention in the recent past. In a nutshell, both types of signature schemes …
gained a lot of attention in the recent past. In a nutshell, both types of signature schemes …
Method, apparatus, and system for authenticating fully homomorphic message
W Chen, H Lei, Y Qinqin - US Patent 10,009,343, 2018 - Google Patents
Embodiments of the present disclosure provide a method, an apparatus, and a system for
authenticating a fully homomorphic message, where the method includes: acquiring a …
authenticating a fully homomorphic message, where the method includes: acquiring a …
Multiple-phase rewritable blockchain
G Ateniese, MT Chiaramonte, D Treat - US Patent 10,404,455, 2019 - Google Patents
A system includes circuitry for rewriting blockchains in a non-tamper-evident or tamper-
evident operation by a trusted party during a rewrite-permissive phase. During a rewrite …
evident operation by a trusted party during a rewrite-permissive phase. During a rewrite …
Distributed key secret for rewritable blockchain
G Ateniese, MT Chiaramonte, D Treat, B Magri… - US Patent …, 2018 - Google Patents
A system includes circuitry for rewriting blockchains in a non-tamper-evident or tamper-
evident operation using a key secret held in portions by multiple individually untrusted …
evident operation using a key secret held in portions by multiple individually untrusted …
Rewritable blockchain
G Ateniese, MT Chiaramonte, D Treat, B Magri… - US Patent …, 2019 - Google Patents
A system includes circuitry for rewriting blockchains in a validity-preserving operation. In
some cases, using a key secret held by a trusted party. In some cases, the blockchains may …
some cases, using a key secret held by a trusted party. In some cases, the blockchains may …