Patent SG-11201806709P-A (SG)
Title: Universal tokenisation system for blockchain-based cryptocurrencies
Inventor: WRIGHT CRAIG STEVEN
IPC: G06Q20/38
Filed: 2017-02-14
Abstract: WO 17 / 145 00 4 Al (12) INTERNATIONAL APPLICATION PUBLISHED UNDER THE PATENT COOPERATION TREATY (PCT) (19) World Intellectual Property Organization International Bureau (10) International Publication Number (43) International Publication Date WO 2017/145004 Al 31 August 2017 (31.08.2017) WIPO I PCT 111111111111110111011111111111010111110 III 010111111111111111111111111111111111110111111 Issuer (I) First user (A) Second user (B) (51) International Patent Classification: G06Q 20/38 (2012.01) (21) International Application Number: PCT/IB2017/050819 (22) International Filing Date: 14 February 2017 (14.02.2017) (25) Filing Language: English (26) Publication Language: English (30) Priority Data: 1603125.4 23 February 2016 (23.02.2016) GB 1604225.1 11 March 2016 (11.03.2016) GB (71) Applicant: NCHAIN HOLDINGS LIMITED [AG/AG]; Fitzgerald House, 44 Church Street, St. John's (AG). (72) Inventors: WRIGHT, Craig Steven; c/o Urquhart-Dykes & Lord LLP, 7th Floor Churchill House, Churchill Way, Cardiff CF10 2HH (GB). SAVANAH, Stephane; c/o Ur- quhart-Dykes & Lord LLP, 7th Floor Churchill House, Churchill Way, Cardiff CF10 2HH (GB). (74) Agent: JONES, Cerian; 7th Floor, Churchill House, Churchill Way, CARDIFF CF10 2HH (GB). (81) Designated States (unless otherwise indicated, for every kind of national protection available): AE, AG, AL, AM, AO, AT, AU, AZ, BA, BB, BG, BH, BN, BR, BW, BY, BZ, CA, CH, CL, CN, CO, CR, CU, CZ, DE, DJ, DK, DM, DO, DZ, EC, EE, EG, ES, FI, GB, GD, GE, GH, GM, GT, HN, HR, HU, ID, IL, IN, IR, IS, JP, KE, KG, KH, KN, KP, KR, KW, KZ, LA, LC, LK, LR, LS, LU, LY, MA, MD, ME, MG, MK, MN, MW, MX, MY, MZ, NA, NG, NI, NO, NZ, OM, PA, PE, PG, PH, PL, PT, QA, RO, RS, RU, RW, SA, SC, SD, SE, SG, SK, SL, SM, ST, SV, SY, TH, TJ, TM, TN, TR, TT, TZ, UA, UG, US, UZ, VC, VN, ZA, ZM, ZW. (84) Designated States (unless otherwise indicated, for every kind of regional protection available): ARIPO (BW, GH, GM, KE, LR, LS, MW, MZ, NA, RW, SD, SL, ST, SZ, TZ, UG, ZM, ZW), Eurasian (AM, AZ, BY, KG, KZ, RU, TJ, TM), European (AL, AT, BE, BG, CH, CY, CZ, DE, DK, EE, ES, FI, FR, GB, GR, HR, HU, IE, IS, IT, LT, LU, LV, MC, MK, MT, NL, NO, PL, PT, RO, RS, SE, SI, SK, [Continued on next page] (54) Title: UNIVERSAL TOKENISATION SYSTEM FOR BLOCKCHAIN-BASED CRYPTOCURRENCIES (57) : A method of creating, redeeming and transfer- ring tokens associated with tokens on a peer-to-peer distrib - 7 uted ledger. The method includes including metadata associ- ated with the token in a redeem script, wherein the redeem script is associated with a transaction of cryptocurrency on 15 the peer-to-peer distributed ledger. One aspect of the inven- tion provides a method of issuing and/or transferring a token, 17 comprising the steps of generating a blockchain transaction (Tx) having an output (Tx 0) related to a quantity of crypto - currency such as Bitcoin, and a hash of a redeem script. The redeem script comprises metadata which in turn comprises a token. The token is a representation of, or a reference to, a 13 tokenised entity. The redeem script also comprises at least one (preferably two or more) public cryptographic keys. The metadata is provided in the redeem script at a location which is designated in the underlying blockchain protocol as a loca- tion for a cryptographic key. Fig. 1 WO 2017/145004 Al 1#11101M01101DEIROIDEOM010111110010101M1110VOIS SM, TR), OAPI (BF, BJ, CF, CG, CI, CM, GA, GN, GQ, Published: GW, KM, ML, MR, NE, SN, TD, TG). — with international search report (Art. 21(3))