In one embodiment, a system includes a tangible token comprising a transparent gemstone, wherein: the transparent gemstone is internally etched with information pertaining to a blockchain, and the information comprises at least a private key, a public key, and an address, and the information is represented as a quick response code. The system includes a computing device configured to execute instructions that cause the computing device to: read the information, and validate, via a network and the address, the public key and the private key are associated with at least one block on the blockchain.

In one embodiment, a system including a tangible token comprising a single integrated transparent gemstone produced by fusing together a first transparent gemstone and a second transparent gemstone, a first internal side of the first transparent gemstone is etched with information pertaining to a blockchain, and the information comprises at least a private key, a public key, and an address, the first internal side of the first transparent gemstone is aligned with a second internal side of the second transparent gemstone, and the aligning encapsulates the information within a perimeter of the second internal side such that the information does not extend beyond the perimeter. The system includes a computing device that executes instructions to: read the information, validate, via a network and the address, the public key and private key are associated with the blockchain, and present an indication of whether or not the information is validated.

In one embodiment, a system including a tangible token comprising a single integrated transparent gemstone produced by fusing together a first transparent gemstone and a second transparent gemstone, a first internal side of the first transparent gemstone is etched with information pertaining to a blockchain, and the information comprises at least a private key, a public key, and an address, the first internal side of the first transparent gemstone is aligned with a second internal side of the second transparent gemstone, and the aligning encapsulates the information within a perimeter of the second internal side such that the information does not extend beyond the perimeter. The system includes a computing device that executes instructions to: read the information, validate, via a network and the address, the public key and private key are associated with the blockchain, and present an indication of whether or not the information is validated.

Single integrated transparent gemstones and methods for constructing single integrated transparent gemstones. The single integrated transparent gemstone includes a first transparent gemstone, a copyright protected element, and a second transparent gemstone. The first transparent gemstone includes a first internal side. The copyright protected element is etched on the first internal side. The copyright protected element is owned by a third party. The second transparent gemstone includes a second internal side. The second transparent gemstone is fused together with the first transparent gemstone. The second internal side is aligned with the first internal side such that the copyright protected element does not extend beyond a perimeter of the second internal side.

A decorative composite body includes a glass body and a plastic partly enclosing the glass body, wherein part of the surface of the glass body is arranged on the outside of the decorative composite body, wherein at least two adjacent glass and plastic areas arranged on the outside of the composite body are ground in the composite state, wherein areas of the glass body adjacent to the plastic are at least partly mirrored.

In one embodiment, a system including a tangible token comprising a single integrated transparent gemstone produced by fusing together a first transparent gemstone and a second transparent gemstone, a first internal side of the first transparent gemstone is etched with information pertaining to a blockchain, and the information comprises at least a private key, a public key, and an address, the first internal side of the first transparent gemstone is aligned with a second internal side of the second transparent gemstone, and the aligning encapsulates the information within a perimeter of the second internal side such that the information does not extend beyond the perimeter. The system includes a computing device that executes instructions to: read the information, validate, via a network and the address, the public key and private key are associated with the blockchain, and present an indication of whether or not the information is validated.

In one embodiment, a system including a tangible token comprising a single integrated transparent gemstone produced by fusing together a first transparent gemstone and a second transparent gemstone, a first internal side of the first transparent gemstone is etched with information pertaining to a blockchain, and the information comprises at least a private key, a public key, and an address, the first internal side of the first transparent gemstone is aligned with a second internal side of the second transparent gemstone, and the aligning encapsulates the information within a perimeter of the second internal side such that the information does not extend beyond the perimeter. The system includes a computing device that executes instructions to: read the information, validate, via a network and the address, the public key and private key are associated with the blockchain, and present an indication of whether or not the information is validated.

A brilliant cut gemstone cluster setting is provided which includes a faceted large round gemstone; a plurality of small round gemstones; and a cluster setting having a central round cavity receiving the faceted large round gemstone and a plurality of peripheral cavities surrounding the central round cavity with each peripheral cavity receiving one of the plurality of small round gemstones and being set at an angle relative to the central round cavity to cause the small round gemstone to simulate a crown angle of a brilliant cut stone, and the plurality of small round gemstones retaining the faceted large round gemstone. Also provided is a cluster setting for holding the gemstones.

In one embodiment, a system includes a tangible token comprising a transparent gemstone. The transparent gemstone may be internally etched with information pertaining to a blockchain, and the information includes at least a private key, a public key, and an address. The information may pertain to a cryptocurrency transaction instruction stored on the blockchain.

In one embodiment, a system includes a piece of jewelry comprising an attached transparent gemstone. The transparent gemstone may be internally etched with information pertaining to a blockchain, and the information comprises at least a private key, a public key, and an address.