US10755241B2 — Hot wallet for holding bitcoin (Part 1 of 5)
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Research, not advice. Part of the Bitcoin research archive (October 2026). Claims labelled unverified, contested or fringe are reported, not endorsed; statuses of bills and rules are as of the date checked. Government, court and patent records are public domain; the research notes are CC BY 4.0.
US010755241B2
( 12 ) United States Patent ( 10) Patent No .: US 10,755,241 B2
Langschaedel et al. (45) Date of Patent : Aug. 25 , 2020
( 54 ) HOT WALLET FOR HOLDING BITCOIN ( 56 ) References Cited
( 71 ) Applicant: Coinbase , Inc. , San Francisco, CA (US ) U.S. PATENT DOCUMENTS
( 72 ) Inventors: Julian Langschaedel , Essen (DE ) ; 2,634,738 A 4/1953 Fuller et al.
5,884,274 A 3/1999 Walker et al .
Brian D. Armstrong , Beaverton , OR (Continued )
(US ) ; Fred E. Ehrsam , San Francisco ,
CA (US ) FOREIGN PATENT DOCUMENTS
( 73 ) Assignee: Coinbase , Inc. , San Francisco , CA ( US ) EP 2634738 9/2013
JP 2007-109002 A 4/2007
( * ) Notice: Subject to any disclaimer, the term of this WO 2014190323 Al 11/2014
patent is extended or adjusted under 35
U.S.C. 154 ( b ) by 678 days . OTHER PUBLICATIONS
( 21 ) Appl. No .: 14 /660,418 Computer Arch ( http://www.math.uaa.alaska.edu/~afkjm/cs101/
handouts /ComputerArch.pdf, dated Sep. 10 , 2009 , attached as PDF
(22 ) Filed : Mar. 17 , 2015 file ( Year: 2009 ) . *
(Continued )
( 65 ) Prior Publication Data
US 2015/0262176 A1 Sep. 17 , 2015 Primary Examiner James D Nigh
Assistant Examiner Margaret M Neubig
( 74 ) Attorney , Agent, or Firm — Jeffrey Schox ; Diane Lin
Related U.S. Application Data (57 ) ABSTRACT
( 60 ) Provisional application No. 62/ 099,992 , filed on Jan. A system and method for transaction bitcoin is described .
5 , 2015 , provisional application No. 62 /086,669, filed Bitcoin can be sent to an email address . No miner's fee is
(Continued ) paid by a host computer system . Hot wallet functionality is
provided that transfers values of some Bitcoin addresses to
( 51 ) Int. Ci . a vault for purposes of security. A private key of a itcoin
G06Q 20/06 ( 2012.01 ) address of the vault is split and distributed to keep the vault
G06Q 20/36 ( 2012.01 ) secure . Instant exchange allows for merchants and custom
(Continued ) ers to lock in a local currency price . A vault has multiple
(52) U.S. CI. email addresses to authorize a transfer of bitcoin out of the
CPC G06Q 20/065 ( 2013.01 ) ; G06Q 20/0658 vault. User can opt to have private keys stored in locations
( 2013.01 ) ; G06Q 20/16 ( 2013.01 ); that are under their control. A tip button rewards content
(Continued ) creators for their efforts. A bitcoin exchange allows for users
to set prices that they are willing to sell or buy bitcoin and
( 58 ) Field of Classification Search execute such trades .
USPC 705 / 50-79
See application file for complete search history . 8 Claims , 76 Drawing Sheets
Wallet 42A
Vault 64A Bitcoin Addr
Intermediate 76
Local Storage 56
Bitcoin Addr 80A
Total Value
Bitcoin Addr 80A
Private Key
Value * Transfermy Hot Wallet
114 Transfer Value
Bitcoin Addr
78
Private Key Tran„sfer Wallet 428 Value
Bitcoin Addr Bitcoin Addr
120 74
Value Value
ransfer Wallet 42C
Bitcoin Addr
Value
122
Bitcoin Addr
98
Value
Bitcoin Addr Bitcoin Addr
128 124
Value Value
Bitcoin Addr Bitcoin Addr
130 126
Value Value
Bitcoin Addr
132
Value
Bitcoin Addr
134
Value
US 10,755,241 B2
Page 2
Related U.S. Application Data 2014/0108223 Al
2014/0156512 A1
4/2014 Xiao
6/2014 Rahman et al .
on Dec. 2 , 2014 , provisional application No. 62/056 , 2014/0172633 A1
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Page 3
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U.S. Patent Aug. 25 , 2020 Sheet 1 of 76 US 10,755,241 B2
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