# US 2026/0065367 A1 · Crypto multiple security asset creation and redemption platform

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- Number: US 2026/0065367 A1
- Document ID: US20260065367A1
- Status: Published application
- Kind: A1
- Application number: 19/384,999
- Filed: 2025-11-10
- Published: 2026-03-05
- Earliest claimed: 2015-05-01
- Assignees: tZERO IP, LLC
- Applicants: tZERO IP, LLC
- Inventors: Alec Wilkins; Robert Christensen; John Wesley Welborn; John Tabacco; Glen Nickle
- Web page: https://patentgrep.com/patent/US20260065367A1

## CPC

- G06Q 40/04: Trading; Exchange, e.g. stocks, commodities, derivatives or currency exchange
- H04L 9/0637: {Modes of operation, e.g. cipher block chaining [CBC], electronic codebook [ECB] or Galois/counter mode [GCM]}
- H04L 9/14: using a plurality of keys or algorithms
- H04L 9/30: Public key, i.e. encryption algorithm being computationally infeasible to invert or user's encryption keys not requiring secrecy
- H04L 9/3236: {using cryptographic hash functions}
- H04L 9/3247: {involving digital signatures}
- G06Q 2220/00: Business processing using cryptography
- H04L 9/50: {using hash chains, e.g. blockchains or hash trees}
- H04L 2209/56: Financial cryptography, e.g. electronic payment or e-cash
- G06Q: INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES; SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES, NOT OTHERWISE PROVIDED FOR
- H04L: TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION (arrangements common to telegraphic and telephonic communication H04M)

## Abstract

A cryptographic asset trading system comprises circuitry configured to: receive creation request for share(s) of digital fund token serving as digital representation of fund of assets, creation request comprising digital signature of first cryptographic key associated with first account; in response to receiving creation request: place respective quantity of each of plurality of different assets represented by share(s) of digital fund token into escrow account associated with cryptographic asset trading system as collateral for digital fund token; create and transfer digital fund token to first account by cryptographically signing digital fund token with second cryptographic key associated with cryptographic asset trading system; and record creation and transfer of digital fund token to first account on distributed ledger thereby requiring cryptographic signing with first cryptographic key associated with first account to: (i) redeem digital fund token from first account or (ii) transfer digital fund token from first account to second account.

## Claims

### Claim 1

A cryptographic asset trading system comprising:
circuitry configured to:
receive a creation request for at least one share of a digital fund token serving as a digital representation of a fund of assets, the creation request comprising a digital signature of a first cryptographic key associated with a first account; and
in response to receiving the creation request:
place a respective quantity of each of a plurality of different assets represented by the at least one share of the digital fund token into an escrow account associated with the cryptographic asset trading system as collateral for the digital fund token;
create and transfer the digital fund token to the first account by cryptographically signing the digital fund token with a second cryptographic key associated with the cryptographic asset trading system; and
record creation and transfer of the digital fund token to the first account on a distributed ledger thereby requiring cryptographic signing with the first cryptographic key associated with the first account to: (i) redeem the digital fund token from the first account or (ii) transfer the digital fund token from the first account to a second account.

### Claim 2 (depends on 1)

The cryptographic asset trading system of claim 1, wherein the circuitry is further configured to:
in response to receiving the creation request and prior to creating the digital fund token:
receive confirmation from the distributed ledger that the plurality of different assets represented by the at least one share of the digital fund token are associated with the first account.

### Claim 3 (depends on 1)

The cryptographic asset trading system of claim 1, wherein the circuitry is further configured to:
in response to receiving the creation request and prior to creating the digital fund token:
create a plurality of digital tokens representing the plurality of different assets; and
record creation of the plurality of digital tokens on the distributed ledger; and
in response to receiving the creation request and as part of creating the digital fund token:
place the plurality of digital tokens representing the plurality of different assets into an escrow state; and
record the escrow state of the plurality of digital tokens representing the plurality of different assets on the distributed ledger.

### Claim 4 (depends on 1)

The cryptographic asset trading system of claim 1, wherein the circuitry is further configured to:
receive a redemption request including the digital signature of the first cryptographic key associated with the first account; and
in response to receiving the redemption request:
release the plurality of different assets represented by the at least one share of the fund of assets from the escrow account;
destroy the digital fund token; and
record destruction of the digital fund token on the distributed ledger.

### Claim 5 (depends on 4)

The cryptographic asset trading system of claim 4, wherein the circuitry is further configured to:
in response to receiving the redemption request and prior to destroying the digital fund token:
remove a plurality of digital tokens representing the plurality of different assets from an escrow state; and
record removal of the plurality of digital tokens representing the plurality of different assets from the escrow state on the distributed ledger.

### Claim 6 (depends on 1)

The cryptographic asset trading system of claim 1, wherein the circuitry is further configured to:
receive a transfer request including the digital signature of the first cryptographic key associated with the first account; and
in response to receiving the transfer request:
transfer the digital fund token from the first account to a second account; and
record the transfer of the digital fund token from the first account to the second account on the distributed ledger.

### Claim 7 (depends on 1)

The cryptographic asset trading system of claim 1, wherein the circuitry is further configured to:
place the respective quantity of each of the plurality of different assets represented by the at least one share of the fund of assets into the escrow account as collateral for the digital fund token includes placing a quantity of at least one of an exchange traded fund, a mutual fund, an index fund, a bond fund, a commodity fund, a currency fund, and a real estate fund into the escrow account as collateral for the digital fund token.

### Claim 8

A method comprising:
receiving, using circuitry, a creation request for at least one share of a digital fund token serving as a digital representation of a fund of assets, the creation request comprising a digital signature of a first cryptographic key associated with a first account; and
in response to receiving the creation request:
placing, using the circuitry, a respective quantity of each of a plurality of different assets represented by the at least one share of the digital fund token into an escrow account associated with a cryptographic asset trading system as collateral for the digital fund token;
creating and transferring, using the circuitry, the digital fund token to the first account by cryptographically signing the digital fund token with a second cryptographic key associated with the cryptographic asset trading system; and
recording, using the circuitry, creation and transfer of the digital fund token to the first account on a distributed ledger thereby requiring cryptographic signing with the first cryptographic key associated with the first account to: (i) redeem the digital fund token from the first account or (ii) transfer the digital fund token from the first account to a second account.

### Claim 9 (depends on 8)

The method of claim 8, further comprising:
in response to receiving the creation request and prior to creating the digital fund token:
receiving, using the circuitry, confirmation from the distributed ledger that the plurality of different assets represented by the at least one share of the fund of assets are associated with the first account.

### Claim 10 (depends on 9)

The method of claim 9, further comprising:
in response to receiving the creation request and prior to creating the digital fund token:
creating, using the circuitry, a plurality of digital tokens representing the plurality of different assets; and
recording, using the circuitry, creation of the plurality of digital tokens on the distributed ledger; and
in response to receiving the creation request and as part of creating the digital fund token:
placing, using the circuitry, the plurality of digital tokens representing the plurality of different assets into an escrow state; and
recording, using the circuitry, the escrow state of the plurality of digital tokens representing the plurality of different assets on the distributed ledger.

### Claim 11 (depends on 8)

The method of claim 8, further comprising:
receiving, using the circuitry, a redemption request including the digital signature of the first cryptographic key associated with the first account; and
in response to receiving the redemption request:
releasing, using the circuitry, the plurality of different assets represented by the at least one share of the fund of assets from the escrow account;
destroying, using the circuitry, the digital fund token; and
recording, using the circuitry, destruction of the digital fund token on the distributed ledger.

### Claim 12 (depends on 11)

The method of claim 11, further comprising:
in response to receiving the redemption request and prior to destroying the digital fund token:
removing, using the circuitry, a plurality of digital tokens representing the plurality of different assets from an escrow state; and
recording, using the circuitry, removal of the plurality of digital tokens representing the plurality of different assets from the escrow state on the distributed ledger.

### Claim 13 (depends on 8)

The method of claim 8, further comprising:
receiving, using the circuitry, a transfer request including the digital signature of the first cryptographic key associated with the first account; and
in response to receiving the transfer request:
transferring, using the circuitry, the digital fund token from the first account to a second account; and
recording, using the circuitry, the transfer of the digital fund token from the first account to the second account on the distributed ledger.

### Claim 14 (depends on 8)

The method of claim 8, wherein placing the respective quantity of each of the plurality of different assets represented by the at least one share of the fund of assets into the escrow account as collateral for the digital fund token includes placing a quantity of at least one of an exchange traded fund, a mutual fund, an index fund, a bond fund, a commodity fund, a currency fund, and a real estate fund into the escrow account as collateral for the digital fund token.

### Claim 15

A non-transitory computer-readable storage medium including a set of instructions that, when executed by programable circuitry, cause the programable circuitry to:
receive a creation request for at least one share of a digital fund token serving as a digital representation of a fund of assets, the creation request comprising a digital signature of a first cryptographic key associated with a first account; and
in response to receiving the creation request:
place a respective quantity of each of a plurality of different assets represented by the at least one share of the digital fund token into an escrow account associated with a cryptographic asset trading system as collateral for the digital fund token;
create and transfer the digital fund token to the first account by cryptographically signing the digital fund token with a second cryptographic key associated with the cryptographic asset trading system; and
record creation and transfer of the digital fund token to the first account on a distributed ledger thereby requiring cryptographic signing with the first cryptographic key associated with the first account to: (i) redeem the digital fund token from the first account or (ii) transfer the digital fund token from the first account to a second account.

### Claim 16 (depends on 15)

The non-transitory computer-readable storage medium of claim 15, wherein the set of instructions, when executed by the programable circuitry, further cause the programable circuitry to:
in response to receiving the creation request and prior to creating the digital fund token:
receive confirmation from the distributed ledger that the plurality of different assets represented by the at least one share of the fund of assets are associated with the first account.

### Claim 17 (depends on 16)

The non-transitory computer-readable storage medium of claim 16, wherein the set of instructions, when executed by the programable circuitry, further cause the programable circuitry to:
in response to receiving the creation request and prior to creating the digital fund token:
create a plurality of digital tokens representing the plurality of different assets; and
record creation of the plurality of digital tokens on the distributed ledger; and
in response to receiving the creation request and as part of creating the digital fund token:
place the plurality of digital tokens representing the plurality of different assets into an escrow state; and
record the escrow state of the plurality of digital tokens representing the plurality of different assets on the distributed ledger.

### Claim 18 (depends on 17)

The non-transitory computer-readable storage medium of claim 17, wherein the set of instructions, when executed by the programable circuitry, further cause the programable circuitry to:
receive a redemption request including the digital signature of the first cryptographic key associated with the first account; and
in response to receiving the redemption request:
release the plurality of different assets represented by the at least one share of the fund of assets from the escrow account;
destroy the digital fund token; and
record destruction of the digital fund token on the distributed ledger.

### Claim 19 (depends on 18)

The non-transitory computer-readable storage medium of claim 18, wherein the set of instructions, when executed by the programable circuitry, further cause the programable circuitry to:
in response to receiving the redemption request and prior to destroying the digital fund token:
remove the plurality of digital tokens representing the plurality of different assets from an escrow state; and
record removal of the plurality of digital tokens representing the plurality of different assets from the escrow state on the distributed ledger.

### Claim 20 (depends on 15)

The non-transitory computer-readable storage medium of claim 15, wherein the set of instructions, when executed by the programable circuitry, cause the programable circuitry to:
place the respective quantity of each of the plurality of different assets represented by the at least one share of the fund of assets into the escrow account as collateral for the digital fund token by placing a quantity of at least one of an exchange traded fund, a mutual fund, an index fund, a bond fund, a commodity fund, a currency fund, and a real estate fund into the escrow account as collateral for the digital fund token.