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BNB
$1,185.20
0.16%
XRP logo
XRP
$2.4225
3.02%
SOL logo
SOL
$194.15
4.64%
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USDC
$1.0000
0.01%
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TRX
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DOGE
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ADA
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HBAR
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BTC logo
BTC
$111,376.69
0.72%
ETH logo
ETH
$4,027.62
1.85%
USDT logo
USDT
$1.0004
0.04%
BNB logo
BNB
$1,185.20
0.16%
XRP logo
XRP
$2.4225
3.02%
SOL logo
SOL
$194.15
4.64%
USDC logo
USDC
$1.0000
0.01%
TRX logo
TRX
$0.3220
1.42%
DOGE logo
DOGE
$0.1981
2.76%
ADA logo
ADA
$0.6740
3.90%
HYPE logo
HYPE
$37.92
2.13%
LINK logo
LINK
$18.13
4.46%
USDE logo
USDE
$0.9999
0.03%
XLM logo
XLM
$0.3260
3.41%
BCH logo
BCH
$523.73
2.28%
SUI logo
SUI
$2.6915
4.65%
AVAX logo
AVAX
$21.95
3.38%
WBT logo
WBT
$42.16
0.60%
LEO logo
LEO
$9.6348
0.04%
HBAR logo
HBAR
$0.1799
4.44%
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'Sigsafe' Key Tag Brings Bitcoin Payments to NFC Devices

Designed to balance on-the-go payments with storage, Sigsafe is an electronic key that allows bitcoin transactions between NFC devices.

By Alyssa Hertig
Updated Sep 11, 2021, 10:53 a.m. Published Jun 15, 2014, 10:45 a.m.
Sigsafe