BLOCKCHAIN & REAL ESTATE

Transcription

1 BLOCKCHAIN & REAL ESTATE Opportunities, lessons& next steps ELRN WORKSHOP , Tallinn Jacques Vos, Kadaster

2 Last year 2 ELRN workshop, Tallinn Jacques Vos, Kadaster

3 Land Registry and Commercial Registers they will become obsolete. (Emerce) General Assembly, ELRA (Brussels)

4 source: ft.com

5 BLOCKCHAIN WILL BRING INFORMATION SYMMETRY IMMUTABILITY TRANSPARENCY General Assembly, ELRA (Brussels)

6 SUBJECT Land Registers OBJECT General Assembly, ELRA (Brussels) RIGHT IN REM

7 SUBJECT Land Registers OBJECT General Assembly, ELRA (Brussels) OWNERSHIP USUFRUCT BUILDING RIGHT ETC RIGHT IN REM

8 SUBJECT NATURAL LEGAL PERSON LIMITATIONS ETC Land Registers OBJECT General Assembly, ELRA (Brussels) OWNERSHIP USUFRUCT BUILDING RIGHT ETC RIGHT IN REM

9 Land Registers OBJECT SUBJECT NATURAL LEGAL PERSON LIMITATIONS ETC HOUSES APPARTMENT/ CONDOMINIUM CABLES & PIPELINES ETC General Assembly, ELRA (Brussels) OWNERSHIP USUFRUCT BUILDING RIGHT ETC RIGHT IN REM

10 Blockchain (1) ARCHIVE REGISTRATION INFORMATION Yes, hash/pointer No, too complex No, data retrieval General Assembly, ELRA (Brussels)

11 Blockchain (2) Genesis-block Governance? Smart contracts Who? Quality- issue DAO, indemnity Code = law = code General Assembly, ELRA (Brussels)

12 Blockchain (3) Vendor lock-in? Bitcoin-based? Complete? Who owns data PoS & no PoW No, data retrieval General Assembly, ELRA (Brussels)

13 Trust as a fairytale? SECURE DATA C.I.A.? D.I.Y.? IMMATURE PoW? PoS? DAO? OPEN & TRANSPARANT Transparant: yes, open? General Assembly, ELRA (Brussels)

14 In Future? VARIOUS INITIATIVES Redundancy & privatization! STANDARDIZATION ISO/TC307, BIM, etc. SMART CONTRACTS Not all legal aspects General Assembly, ELRA (Brussels)

15 TRUSTED THIRD PARTIES VALIDATE TRANSACTIONS GUIDE A CERTAIN PROCES DRAFT CONTRACTS IDENTIFY OBJECTS & SUBJECTS ARE AN INDEPENDANT WITNESS PREVENT FRAUD General Assembly, ELRA (Brussels)

16 FRACTIONAL OWNERSHIP Typ hier uw tekst BRICKLAND BRICKHOUSE BLOQHOUSE ETC., ETC

17 This year 17 ELRN workshop, Tallinn Jacques Vos, Kadaster

18 BLOCKCHAIN WILL REPLACE EVERYBODY - REMOVE SLACK FROM PROCESSES STREAMLINING PROCESSES - INCREASE TRANSPARENCY KADASTER-ON-LINE - IMPROVE PRIVACY SELF- SOVEREIGN IDENTITY? - PREVENT FRAUD GARBAGE IN - A NEW CHAPTER FOR A DIGITAL INFRA POSSIBLE WHAT WAS NOT POSSIBLE, TOO COMPLEX OR TOO EXPENSIVE

19 BLOCKCHAIN WILL PERHAPS REPLACE EVERYBODY - SCALING: (INTER)NATIONAL - STANDARDISATION (SEMANTICS) - IDENTIFICATION - ACCESS & CONTROL - GOVERNANCE: QUALITY, RULE OF LAW, ENFORCEMENT - TECHNOLOGY/ ARCHITECTURE - SECURITY

20 BLOCKCHAIN WILL NOT REPLACE EVERYBODY - ONLY PART OF THE SOLUTION: A. PROCESS OPTIMALISATION B. ORGANISATION FORM C. GOVERNANCE D. SEMANTICS

21 BLOCKCHAIN WILL REPLACE HARDLY ANYBODY - BUT: CRITICAL VIEW ON OWN ORGANISATION & ROLE - AND: CRITICAL VIEW ON THE WHOLE (REAL ESTATE) CHAIN - AND: STANDARDISATION IN SCOPE - DIFFFICULT: ISLANDS (SECTORAL, NATIONAL & INTERNATIONAL)

22 WHEN TO START WITH BLOCKCHAIN? WHY IS BLOCKCHAIN INTERESTING? - MULTIPLE OWNERSHIP - NO NATURAL (UNWANTED) CENTRAL AUTHORITY - RELIABLE EXCHANGE OF INFORMATION - EASY INTERPRETABLE ( EASY TO AUTOMATE) RULES

23 WHAT ELSE DO YOU NEED? - OTHER WAYS OF ORGANISINGG & SHARING INFORMATION - UNIQUE ID FOR OBJECTS & SUBJECTS - (POSSIBLE) CHANGE OF LEGISLATION & POLICY - SHARED PRIVATE DATA SOLUTION NEW DIGITAL INFRASTRUCTURE

24 TOWARDS AN INFRASTRUCTURE OF SMART OBJECTS

25 Kadaster Vastgoed Leidsegracht82n, Amsterdam Linked Data Platform RE Broker Bank Appraisor 25

26 FIRST TESTS: DBC-PILOTS 1ST REGISTRATION OF A SHIP

27 FIRST TESTS: 1ST POC: REQUEST PERMIT A. VALIDATE ACTUALITY OF INFORMATION B. VERIFY PROVISION BY SOURCE (KADASTER) C. VERIFY USE OF INFO (BY USING HASHES) D. CONCLUSION: BC INTERESTING, BUT COOPERATION NEEDED

28 28

29 FIRST TESTS: 2nd POC: BUILDING FILE A. DECENTRALISED SOLUTION FOR BUILDING FILE B. EVERYBODY CAN START A FILE AT ANY MOMENT C. BC USED TO KEEP THE STATUS OF DOCUMENT/ DATA D. VERIFICATION METHOD

30 30 EVERYBODY CAN START A FILE

31 31 SOLE ACCESS BY ADMINISTRATOR

32 ACTIONS ON FILE LEVEL 32 ACTIONS ON DOCUMENT LEVEL

33 UNDER THE HOOD

34 AND UNDER THE HOOD (2)

35 FIRST TESTS: 3 rd POC: BLOCKCHAINGERS A. KADASTER TRACK SPONSOR WITH CHALLENGE B. CONSCIOUS HOUSE C. BC USED TO SHARE INFORMATION ON OBJECTS D. DEMONSTRATOR (THE LEDGER)

36 36

37 OWNER Money/ wishlist suggestions For improvement HOUSE CON- TRAC- TOR Block chain Data GO- VERN- MENT

38 FROM SHARED PROCESS 38

39 TO SHARED DATA 39

40 BUT BEFORE WE WILL BE REPLACED 1. OPEN SOURCE (TRANSPARANCY, ACCEPTANCE) 2. ANALYSIS ADDED VALUE (ALTERNATIVE TECHNOLOGY?) 3. CONFIDENCE WITH PARTIES INVOLVED 4. MEANING OF DATA (AGREEMENTS & DESCRIBING)

41 thought character in amusement park tower in city thought listener speaker Lange Jan object term object

42 1. TECHNOLOGICAL DEVELOPMENTS (2) Linked Data Makesuse of URI`s to name (identify) things 3 realities: Natural reality Institutional reality Administrative reality triples: 42

43 1. TECHNOLOGICAL DEVELOPMENTS (2) Linked Data Makesuse of URI`s to name (identify) things 3 realities: Natural reality Institutional reality Administrative reality triples: 43

44 30 Krankeledenstraat Amersfoort address can be found in building date of construction 1445 Source: Brattinga, et al

45 30 Krankeledenstraat Amersfoort key register: house number key register: name key register: name e.g.: accommodation/ key register: address e.g.: number denotation/ key register: can be found e.g.: public space/ key register: in e.g.: domicile/ 1664 key register: building PREFIX key register: PREFIX e.g.: e.g.: building/ key register: date of construction 1445 Source: Brattinga, et al

46 Source: IMOLA project, Jesus Camy XML SCHEMA

47 47